Prime/Composite/Neither
42
Composite
1 ,2, 4, 8
Write the Prime Factorization of 22
2 x 11
What is the GCF of 6 and 8?
2
What is the LCM of 4 and 6?
12
11
Prime
List the factors of 12
1, 2, 3, 4, 6, 12
Write the Prime Factorization of 12
2 x 2 x 3
What is the GCF of 15 and 50?
5
What is the LCM of 12 and 18?
36
2
Prime
List the factors of 100
1, 2, 4, 5, 20, 25, 50, 100
Write the Prime Factorization of 27
3 x 3 x 3
What is the GCF of 48 and 72?
24
What is the LCM of 3, 5, and 10?
30
The Category is...
Divisibility Rules
1
Neither
List the factors of 48
1, 2, 3, 4, 6, 8, 12, 16, 24, 48
Write the Prime Factorization of 56
2 x 2 x 2 x 7
What is the GCF of 18, 24 and 60?
6
What is the LCM of 6, 9, and 12?
36
What is the rule for 4?
If the last two digits are divisible by 4, the whole number is divisible by 4.
Ex) 1,024 = Yes 317 = No
57
Composite
List the factors of 51
1, 3, 17, 51
Write the Prime Factorization of 120
2 x 2 x 2 x 3 x 5
What is the GCF of 14, 42 and 56?
14
What is the LCM of 12, 36 and 72?
72