Factors, Multiples and Powers

What is the missing equation for this factor tree

• 2 x 2 x 3 x 3

• 2 x 3 x 3 x 3

• 2 x 2 x 3 x 4

• 2 x 3 x 3 x 4

A prime number is a number that has ___ factors

Of these numbers, which ones are multiples of both 2 and 3

• 8, 10, 12, 14, 16

• 2, 3, 12, 15

• 6, 12, 18, 24, 30

• 3, 6, 9, 12, 15, 18

What are the missing factors in order from left to right?

In this example, which number is the base?

• 4

• 5

• both numbers

In this example, which number is the power?

• 4

• 5

• both numbers

In this example, which number is the exponent?

• 4

• 5

• both numbers

How would this power be written as an expression?

• 6 x 7

• 7 x 7 x 7 x 7 x 7 x 7

• 6 x 6 x 7 x 7

• 6 x 6 x 6 x 6 x 6 x 6 x 6

What is the answer?

The greatest common factor of 12 and 15 is ___