Factors/Multiples/Prime/Composite

Front

What is a factor?

Back

A factor is a number that divides another number without leaving a remainder.

Tags

CCSS.4.OA.B.4

Front

What is a multiple?

Back

A multiple is a number that can be divided by another number without a remainder.

Front

What is a prime number?

Back

A prime number is a number that has only two factors: 1 and itself.

Tags

CCSS.4.OA.B.4

Front

What is a composite number?

Back

A composite number is a number that has more than two factors.

Tags

CCSS.4.OA.B.4

Front

Is 1 a prime number?

Back

No, 1 is not a prime number because it has only one factor.

Tags

CCSS.4.OA.B.4

Front

List the first five prime numbers.

Back

2, 3, 5, 7, 11.

Tags

CCSS.4.OA.B.4

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Tags

CCSS.4.OA.B.4

Front

Is 15 a prime number?

Back

No, 15 is a composite number because it has factors 1, 3, 5, and 15.

Tags

CCSS.4.OA.B.4

Front

What is the greatest common factor (GCF) of 8 and 12?

Back

The GCF of 8 and 12 is 4.

Front

What is the least common multiple (LCM) of 3 and 4?

Back

The LCM of 3 and 4 is 12.