#### Study sets matching "gmat number"

#### Study sets matching "gmat number"

Natural numbers

Positive integers

Whole numbers

Integers

1,2,3,4,5.... Do not include zero

Natural numbers, do not include zero

All numbers including zero 0,1,2,3,4,5....

All positive & negative numbers , zero is neither positive or…

Natural numbers

1,2,3,4,5.... Do not include zero

Positive integers

Natural numbers, do not include zero

Prime Number

Formula for Prime #s > 3

Factor

Factor Properties

2 divisors - 1 and itself

6n+1 or 6n-1

Divisor of an integer n... Integer which divides evenly into n

1. If a is a factor of c and a is a factor of b, then a is a…

Prime Number

2 divisors - 1 and itself

Formula for Prime #s > 3

6n+1 or 6n-1

An integer is divisible by 3 iff

An integer is divisible by 4 iff

An integer is divisible by 6 iff

An integer is divisible by 8 iff

the sum of the integer's digits is divisible by 3

the integer is divisible by 2 twice, or the integer's last tw…

the integer is divisible by both 2 and 3

the integer is divisible by 2 three times, or the integer's l…

An integer is divisible by 3 iff

the sum of the integer's digits is divisible by 3

An integer is divisible by 4 iff

the integer is divisible by 2 twice, or the integer's last tw…

An integer is said to be divisible by…

An integer is divisible by....

A factor is a positive integer that di…

A multiple of an integer is formed by…

...

- 2 if the integer is even... - 3 if the same of the integer's d…

For example, 1, 2, 3, and 8 are all the factors (also called…

...

An integer is said to be divisible by…

...

An integer is divisible by....

- 2 if the integer is even... - 3 if the same of the integer's d…

Interger

Arithmetic Processes that ALWAYS resul…

Arithmetic Process that SOMETIMES resu…

Intergers are Divisible by 2 if

positive and negative numbers that are whole. Includes zero

addition... subtraction... multiplication

division

the interger is even

Interger

positive and negative numbers that are whole. Includes zero

Arithmetic Processes that ALWAYS resul…

addition... subtraction... multiplication

First ten prime numbers

Factor foundation rule

Divisible by 3

Greatest Common Factor (GCF)

2,3,5,7,9,11,13,17,19,23

If a is a factor of b, and b is a factor of c, then a is a fa…

Sum of digits is divisible by 3

Largest divisor of two or more integers. (Product of shared a…

First ten prime numbers

2,3,5,7,9,11,13,17,19,23

Factor foundation rule

If a is a factor of b, and b is a factor of c, then a is a fa…

An integer is divisible by 2 if:

An integer is divisible by 3 if:

An integer is divisible by 4 if:

An integer is divisible by 5 if:

It is even

The sum of the integer's digits is divisible by 3

The integer is divisible by 2 twice, or if the last two digit…

The integer ends in 5 or 0

An integer is divisible by 2 if:

It is even

An integer is divisible by 3 if:

The sum of the integer's digits is divisible by 3

divisibility rules

divisibility rules part 2

arthemetic rules of odds and evens

if you have an even number of negative…

- integer is divisible by two if integer is even... - integer is…

- integer is divisible by 5 if integer ends in 0 or 5... - integ…

addition/subtraction... E +/ E = E... O +/- E = O... O +/- O = E... mul…

the answer is positive

divisibility rules

- integer is divisible by two if integer is even... - integer is…

divisibility rules part 2

- integer is divisible by 5 if integer ends in 0 or 5... - integ…

When you deal with questions that ask…

When you add / subtract / multiply / d…

When you divide two integers, you can…

Anything multiplied by an even number is

translate fractions into decimals.

an integer.

an integer or a non-integer.

even.

When you deal with questions that ask…

translate fractions into decimals.

When you add / subtract / multiply / d…

an integer.

0 is odd or even?

When a number is odd or even

Rational Numbers

Irrational Numbers

0 is an even number

it must an integer

All numbers that can be expressed as the ratio of 2 integers:…

All real numbers that are not rational, both postive or negat…

0 is odd or even?

0 is an even number

When a number is odd or even

it must an integer

Bowtie Approach

Lowest Common Denominator Method vs Bo…

Decimal place values

Postive exponent

Adding or subtracting fractions using this formula:... a/b + c/…

Use LCD when all the numbers in the denominators are factors…

6,493.783... thousands, hundreds, tens, units . tenths hundredth…

Move the decimal to the right by the number of places represe…

Bowtie Approach

Adding or subtracting fractions using this formula:... a/b + c/…

Lowest Common Denominator Method vs Bo…

Use LCD when all the numbers in the denominators are factors…

Interger

Arithmetic Processes that ALWAYS resul…

Arithmetic Process that SOMETIMES resu…

Intergers are Divisible by 2 if

positive and negative numbers that are whole. Includes zero

addition... subtraction... multiplication

division

the interger is even

Interger

positive and negative numbers that are whole. Includes zero

Arithmetic Processes that ALWAYS resul…

addition... subtraction... multiplication

Interger

Arithmetic Processes that ALWAYS resul…

Arithmetic Process that SOMETIMES resu…

Intergers are Divisible by 2 if

positive and negative numbers that are whole. Includes zero

addition... subtraction... multiplication

division

the interger is even

Interger

positive and negative numbers that are whole. Includes zero

Arithmetic Processes that ALWAYS resul…

addition... subtraction... multiplication

Integers ... (Definition)

Real Numbers ... (Definition)

Rational Numbers... (Definition)

Factors/Divisors... (Definition)

Whole numbers (positive and negative and 0); subset of Real/R…

All numbers except unreal numbers (everything on the number l…

All whole numbers and fractions. Any number that can be expre…

a number of +integers that divide perfectly without a remaind…

Integers ... (Definition)

Whole numbers (positive and negative and 0); subset of Real/R…

Real Numbers ... (Definition)

All numbers except unreal numbers (everything on the number l…

Divisibility Rule - 3

Divisibility Rule - 4

Divisibility Rule - 6

Divisibility Rule - 8

If sum of the integer's digits is divisible by 3

If the integer is divisible by 2 twice... OR... If the last two dig…

If divisible by both 2 and 3... (It is an even number that is al…

If divisible by 2 three times... OR... If the last three digits are…

Divisibility Rule - 3

If sum of the integer's digits is divisible by 3

Divisibility Rule - 4

If the integer is divisible by 2 twice... OR... If the last two dig…

Integer definition

Divisibility rule - divisible by 3

Divisibility rule - divisible by 4

Divisibility rule - divisible by 5

Positive, negative, 0. All are whole numbers

If sum of integer digits are divisible by the number

If integer is divisible by 2 twice or if last two digits are…

If integer ends in 0 or 5

Integer definition

Positive, negative, 0. All are whole numbers

Divisibility rule - divisible by 3

If sum of integer digits are divisible by the number

How do you know if a number is divisib…

How do you know if a number is divisib…

How do you know if a number is divisib…

How do you know if a number is divisib…

If the sum of the number's digits is divisible by 3

If it's divisible by 2 twice, or if the last two digits are d…

if it's divisible by both 2 and 3

if the sum of its digit's is divisible by 9

How do you know if a number is divisib…

If the sum of the number's digits is divisible by 3

How do you know if a number is divisib…

If it's divisible by 2 twice, or if the last two digits are d…

Total Number of Factors of a Number

Is a number prime?

GCF/LCM with Prime Factorization

Prime Factorization of a Square (w/ Ex…

EX: For 1440 - To find the total number of factors:... a) Find t…

Is 67 prime? : If the number is even, it's not prime. If it e…

30 and 48: There's a very straightforward procedure to find t…

The prime factorization of a square has to have even powers o…

Total Number of Factors of a Number

EX: For 1440 - To find the total number of factors:... a) Find t…

Is a number prime?

Is 67 prime? : If the number is even, it's not prime. If it e…

If 2 different representatives are to…

If n is positive, is sqrt(n) > 100?... 1…

If n and y are positive integers and 4…

A school administrator will assign eac…

Answer: E... 1) More than 1/2 of the 10 employees are women.... T…

TO DO LATER

Answer: 1 only

Answer: B - Statement 2 is sufficient and statement 1 in insu…

If 2 different representatives are to…

Answer: E... 1) More than 1/2 of the 10 employees are women.... T…

If n is positive, is sqrt(n) > 100?... 1…

TO DO LATER

All real numbers are positive or negat…

What kind of numbers correspond to poi…

The distance between a number and zero…

What is the absolute value symbol

Zero

Real Numbers

Absolute Value

| |

All real numbers are positive or negat…

Zero

What kind of numbers correspond to poi…

Real Numbers

Equalateral triangle

Integer

Prime numbers

Are/is

All angles are equal (60 degrees)

A whole number that is not a fraction, including negatives an…

2,3,5,7,11,13,17,19,23,29,31,37,41,43,47, and 53

"Is" is singular and "are" is plural in sentences.

Equalateral triangle

All angles are equal (60 degrees)

Integer

A whole number that is not a fraction, including negatives an…

multiplication rules for odd and even…

addition rules for odd and even numbers

how many data sufficiency problems are…

how many problem solving questions are…

even x even = even... even x odd = even... odd x odd = odd

even + even = even... even + odd = odd... odd + odd = even

15

22

multiplication rules for odd and even…

even x even = even... even x odd = even... odd x odd = odd

addition rules for odd and even numbers

even + even = even... even + odd = odd... odd + odd = even