Is it prime?
What are the factors?
What is the prime factorization?
What is the exponent and its power?
Is it divisible?
100

Is 3 prime?

yes! 3 is prime

100

Factors of 12

1, 2, 3, 4, 6, and 12!

100

Prime factorization of 12

2 x 2 x 3

OR 

2x 3

100

2 x 2 x 2

2= 8

100

Is 12 divisible by 2, 3, 4 and 6?

Yes! 2 is an even number, 2+1 = 3, 12 is divisible by 4 and the 2 and 3 rule apply so 6 does as well!

200

Is 10 prime?

No! 10 is composite

200

Factors of 15

1, 3, 5 and 15

200

Prime factorization of 24

2 x 2 x 2 x 3

OR

2x 3

200

3 x 3 x 3

33 = 27

200

Is 75 divisible by 5 and 2?

No! because 5 is an odd number!


300

Is 89 prime?

Yes! 89 is prime!

300

Factors of 36

1, 2, 3, 4, 6, 9, 12, 18, 36

300

Prime factorization of 18

2 x 3 x 3 

OR 

2 x 32

300

2 x 2 x 2 x 2 x 2 x 2

2= 64

300
Is 80 divisible by 2, 4, 5, 8 and 10?

Yes! it is an even number, 8 is divisible by 4 and 8 and it ends in a 0!

400

Is 57 prime?

No! 57 is composite!

57 divided by 3 is 19!

400

Factors of 42

1, 2, 3, 6, 7, 14, 21, 42

400

Prime factorization of 36 

2 x 2 x 3 x 3

OR

2x 32

400

4 x 4

4= 16

400

Is 45 divisible by 2, 3, 5 and 6?

No! 5 is an odd number so it is not divisible by 2 or 6!
500

Is 47 prime?

Yes! 47 is a prime number

500

Factors of 64

1, 2, 4, 8, 16, 32, 64

500

Prime factorization of 64

2 x 2 x 2 x 2 x 2 x 2

OR

26

500

5 x 5 x 5

53 = 125

500

Is 57 divisible by 3?

Yes! 57 5 + 7 = 12 and 12 is divisible by 3!
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