Prime Factorization
16 = 24
Find the GCF by listing factors
6, 15
GCF of 6 and 15 is 3
Find the GCF by the prime factorizations
20, 45
The GCF of 20 and 45 is 5
Find the LCM
4, 6
The LCM of 4 and 6 is 12
What is a prime number?
Number that is divisible only by one and itself
Find the prime factorization of 25
25 = 52
Find the GCF by listing factors
27, 45
The GCF of 27 and 45 is 9
Find the GCF by the prime factorization
24, 90
The GCF of 24 and 90 is 6
Find the LCM
4, 14
The LCM of 4 and 14 is 28
Which layer of the Earth is made mostly of granite and basalt?
The crust!
Find the prime factorization of 54
54 = 2 x 33
Find the GCF by listing factors
30, 48
The GCF of 30 and 48 is 6
Find the GCF by the prime factorization
52, 68
The GCF of 52 and 68 is 4
Find the LCM
6, 20
The LCM of 6 and 20 is 60
What is one of Ms. Hill’s dogs' name?
Renny or Josie
Find the prime factorization of 77
77 = 7 x 11
Find the GCF by listing factors
28, 48, 64
The GCF of 28, 48, and 64 is 4
Find the GCF by the prime factorization
32, 56, 96
The GCF of 32, 56, and 96 is 8
Find the LCM
15, 20, 25
The LCM is 300
What is Santa's original name?
Saint Nicholas
Find the prime factorization of 84
84 = 22 x 3 x 7
Find the GCF by listing factors
42, 70, 84
The GCF of 42, 70, and 84 is 14
Find the GCF by the prime factorization
45, 75, 120
The GCF of 45, 75, and 120 is 15
Find the LCM
12, 28, 54
756
Name all of Santa's Reindeer
Dasher Dancer Prancer Vixen Comet Cupid Blitzen Donner and Rudolph