Prime Factorization Exam Review

25 ᵪ 7 = _

• 125

• 175

• 145

• 100

585 ÷ 5 = _

What value is missing from this prime factorization of 220?

2² × 5 × _?

What is the divisibility rule for the number 3?

• If the number in the ones place is a 3, 6, or 9 it is divisible by 3

• If there is a 0 in the one's place it is divisible by 3

• It's only divisible by 3 if the number has a 3 in the one's place

• If all the values in the number add up to a number divisible by 3 then that value is divisible by 3

10³ = _

2⁵ = _

• 32

• 10

• 16

• 64

what is a prime number?

• a number that is odd

• a number that is divisible by 2

• a number that has more than one factor pair.

• a number that only has one factor pair. one and itself

285 ÷ 3 = _

Solve the expression using GEMDAS

〈4 × 2〉² + 2³ + 5

Solve the expression using GEMDAS

2 〈8-4〉 + 10 + 4 ÷ 2