Multiples and Factors

Front

What is a multiple?

Back

A multiple of a number is the result of multiplying that number by an integer. For example, multiples of 3 are 3, 6, 9, 12, etc.

Front

What is a factor?

Back

A factor is a number that divides another number without leaving a remainder. For example, factors of 12 are 1, 2, 3, 4, 6, and 12.

Tags

CCSS.4.OA.B.4

Front

How can you tell if a number is divisible by 4?

Back

A number is divisible by 4 if the last two digits form a number that is divisible by 4. For example, 932 is divisible by 4 because 32 is divisible by 4.

Tags

CCSS.3.OA.D.9

Front

What are the factors of 15?

Back

The factors of 15 are 1, 3, 5, and 15.

Tags

CCSS.4.OA.B.4

Front

What is the smallest 2-digit prime number?

Back

The smallest 2-digit prime number is 11.

Tags

CCSS.4.OA.B.4

Front

Which of the following is NOT a factor of 9? 0, 1, 3, 9

Back

0 is NOT a factor of 9.

Tags

CCSS.4.OA.B.4

Front

Which number is NOT prime? 3, 7, 17, 21

Back

21 is NOT a prime number.

Tags

CCSS.4.OA.B.4

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Tags

CCSS.4.OA.B.4

Front

What is the greatest common factor (GCF)?

Back

The GCF of two or more numbers is the largest number that divides all of them without leaving a remainder.

Front

What is the least common multiple (LCM)?

Back

The LCM of two or more numbers is the smallest number that is a multiple of all of them.