Multiples and Factors

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 a composite number?

Back

A composite number is a natural number greater than 1 that has more than two positive divisors.

Tags

CCSS.4.OA.B.4

Front

Is 9 a prime number?

Back

No, 9 is not a prime number because it has divisors other than 1 and itself (1, 3, 9).

Tags

CCSS.4.OA.B.4

Front

Is 31 a prime number?

Back

Yes, 31 is a prime number because it has only two factors: 1 and 31.

Tags

CCSS.4.OA.B.4

Front

What are factors?

Back

Factors are numbers that can be multiplied together to get another number.

Tags

CCSS.4.OA.B.4

Front

What is the factor pair of 36?

Back

The factor pairs of 36 are (1, 36), (2, 18), (3, 12), (4, 9), and (6, 6).

Tags

CCSS.4.OA.B.4

Front

What is the only even prime number?

Back

The only even prime number is 2.

Tags

CCSS.4.OA.B.4

Front

How many factors does the number 1 have?

Back

The number 1 has only one factor, which is itself.

Tags

CCSS.4.OA.B.4

Front

List the factors of 12.

Back

The factors of 12 are 1, 2, 3, 4, 6, and 12.

Tags

CCSS.4.OA.B.4

Front

What does it mean to organize numbers into equal-sized piles?

Back

It means to divide a number into groups where each group has the same number of items.

Tags

CCSS.2.OA.C.4