GCF

Prime or Composite

100

13

Prime

200

53

Prime

300

87

Composite

400

Why is 42 a composite number? 

Because it has factors more than 1 and 42.  Factors are:  1, 2, 3, 6, 7, 14, 21, 42

500

Why is 5 a prime number? 

Because the only two numbers to multiply together to get the answer of 5 is 1x5.  

Factorization

100

What is the prime factorization of 20? 

2x2x5 or 2²x5

200

What is the prime factorization of 32

2x2x2x2x2 or 2⁵

300

What is the prime factorization of 56

2x2x2x7 or 2³x7

400

What is the prime factorization of 80

2x2x2x2x5 or 2⁴x5

500

What is the prime factorization of 120?

2x2x2x3x5 or 2³x3x5

Factors

100

What are the factors of 6

1, 2, 3, 6

200

What are the factors of 18

1, 2, 3, 6, 9, 18

300

What are the factors of 35

1, 5, 7, 35

400

What are the factors of 75

1, 3, 5, 15, 25, 75

500

What are the factors of 96

1, 2, 3, 4, 6, 8, 12, 16, 24 ,32, 48, 96

GCF

100

What is the GCF of 4, 10? 

2

200

What is the GCF of 6, 27?

3

300

What is the GCF 14, 35? 

7

400

What is the GCF of 16, 60? 

4

500

What is the GCF of 28, 42? 

14

Potent Potables

100

How do you write 2 to the 8th power? 

2⁸

200

What is an exponent? 

The number that tells how many times a factor is repeated.

300

What is a base number? 

The number that is the repeated factor.

400

Write 420,000 in scientific notation

4.2x10⁵

500

What is .00000014 in scientific notation? 

1.4x10^-7