# Study sets matching "gmat number properties"

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Integers

Division rules

Factor

An integer is always both...

are whole numbers, such as 0, 1, 2, 3 that have no fractional…

Divisible by...... 2 if the integer is even... 3 if the sume of the…

positive integer that divides evenly into an integer. A factor…

a factor and multiple of itself, and 1 is a factor of every in…

Integers

are whole numbers, such as 0, 1, 2, 3 that have no fractional…

Division rules

Divisible by...... 2 if the integer is even... 3 if the sume of the…

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 digits…

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

Integers

Divisibility Rules 1

Factor Pairs

Factor

Whole numbers that are either positive or negative, including…

- 2, integer is EVEN... - 3, SUM of integers digits is divisible…

- pairs of factors that yield an integer when multiplied toget…

Positive integer that divides evenly into an integer.... - every…

Integers

Whole numbers that are either positive or negative, including…

Divisibility Rules 1

- 2, integer is EVEN... - 3, SUM of integers digits is divisible…

Integers ... (Definition)

Real Numbers ... (Definition)

Rational Numbers... (Definition)

Factors/Divisors... (Definition)

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

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

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

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

Integers ... (Definition)

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

Real Numbers ... (Definition)

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

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... - intege…

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

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... - intege…

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 fac…

Sum of digits is divisible by 3

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

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 fac…

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 digi…

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

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 digi…

an integer is said to be divisible by a…

an integer is divisible by 2 when...

an integer is divisible by 3

an integer is divisible by 4

the integer can be divided by that number with an integer resu…

the integer is even. ex 12 is, 13 isn't

if the sum of the integer's digits is divisible by 3. ex 72 is…

if the last two digits are divisible by 4. for large numbers c…

an integer is said to be divisible by a…

the integer can be divided by that number with an integer resu…

an integer is divisible by 2 when...

the integer is even. ex 12 is, 13 isn't

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Integer

Positive vs. Non-negative numbers

Rational numbers

Irrational numbers

Positive or negative WHOLE numbers (including zero!)

Zero is not a negative number BUT zero is a non-positive number

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

All real numbers that are not rational, both positive and nega…

Integer

Positive or negative WHOLE numbers (including zero!)

Positive vs. Non-negative numbers

Zero is not a negative number BUT zero is a non-positive number

Bowtie Approach

Lowest Common Denominator Method vs Bow…

Decimal place values

Postive exponent

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

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

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

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

Bowtie Approach

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

Lowest Common Denominator Method vs Bow…

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

How do you know if a number is divisibl…

How do you know if a number is divisibl…

How do you know if a number is divisibl…

How do you know if a number is divisibl…

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 di…

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 divisibl…

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

How do you know if a number is divisibl…

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