Greatest Common Factor - GCF

What is the GCF of 18 and 45?

• 3

• 12

• 9

• 6

Tags

CCSS.6.NS.B.4

What is the prime factorization of the number 60?

• 4 x 3 x 5

• 2 x 2 x 3 x 5

• 2 x 3 x 3 x 5

• 2 x 3 x 1 0

The number 372 is divisible by....

• 2 and 6

• 2, 3 , 4 , 6

• 2, 3, 6 and 9

• 2 and 4

Tags

CCSS.6.NS.B.2

The GCF of 24, 36, and 72 is.....

• 12

• 18

• 36

• 24

Tags

CCSS.6.NS.B.4

The factors of the number 48 are....

• 2,4,6,8,12,24,48

• 1,2,4,12,24,48

• 1,2,3,4,6,8,12,24,48

• 1,2,3,4,6,8,12,16,24,48

Tags

CCSS.6.NS.B.4

The common factors of 16 and 24 are....

• 2, 4 and 8

• 2, 4, 12, and 24

• 1, 2, 4 and 8

• 2, 4 and 8

Tags

CCSS.6.NS.B.4

What is the divisibility rule for 4?

• The sum of the last 2 digits is a multiple of 4

• The last 2 digits forms a number which is divisible by 4

• Add the digits in the number and that sum should be 4 or 8

• The number is even and divisible by 2

Tags

CCSS.4.OA.B.4

The GCF of 25, 75, and 200 is.....

• 10

• 5

• 50

• 25

Tags

CCSS.6.NS.B.4

The GCF of 42, 98, and 182 is....

• 2

• 14

• 7

• 21

Tags

CCSS.6.NS.B.4

The GCF of 3 numbers is 12. What could the three numbers be?

• 6, 12, 24

• 12, 18, 24

• 24, 36, 60

• 24, 36, 98

Tags

CCSS.6.NS.B.4