Prime and Composite Review

A prime number is a whole number greater than 1 that has exactly 2 factors, 1 and itself. Is the number 2 prime or composite?

• prime

• composite

Tags

CCSS.4.OA.B.4

Is the number 3 prime or composite?

• prime

• composite

Tags

CCSS.4.OA.B.4

Is the number 4 prime or composite?

• prime

• composite

Tags

CCSS.4.OA.B.4

Is the number 5 prime or composite?

• prime

• composite

Tags

CCSS.4.OA.B.4

Is the number 6 prime or composite?

• prime

• composite

Tags

CCSS.4.OA.B.4

Is the number 7 prime or composite?

• prime

• composite

Tags

CCSS.4.OA.B.4

Is the number 8 prime or composite?

• prime

• composite

Tags

CCSS.4.OA.B.4

Which number is not a factor of 18

• 2

• 6

• 3

• 7

Tags

CCSS.4.OA.B.4

Is the number 11 prime or composite?

• prime

• composite

Tags

CCSS.4.OA.B.4

Which number is composite? 15 or 19?

• 15

• 19

Tags

CCSS.4.OA.B.4