Prime Factorization
Express this number as a product of its prime factor (factor tree) :
6
2 x 3
What makes a prime number?
A number that only has two factors, 1 and itself
Find the LCM of 5 and 8
40
Find the GCF of 24 and 36
12
solve the problem:
8 x 4
32
Express this number as a product of its prime factors (factor tree):
15
3 x 5
What is a composite number?
A number that has two or more factors
Find the LCM of 7 and 5
35
Find the GCF of 30 and 50
10
Solve the problem:
10 x 4
40
Express this number as a product of its prime factors (Factor tree):
36
2 x 2 x 3 x 3
What is a factor?
The numbers multiplied together to get a product
Find the LCM of 10 and 3
30
Find the GCF of 24 and 36
12
Solve the problem:
8 x 9
72
Express this number as a product of its prime factors (Factor Tree):
78
2 x 3 x 13
What is a multiple?
a number that can be divided by another number without a remainder
ex: 5, 10, 15, 20....
Find the LCM of 12 and 20
60
Find the GCF of 9 and 45
9
Solve the problem:
12 x 14
168
Express this number as a product of its prime factors (factor tree):
144
2 x 2 x 2 x 2 x 3 x 3
What is prime factorization?
a way of expressing composite numbers as a product of its prime factors
Find the LCM of 18 and 30
90
Find the GCF of 25 and 75
25
Solve the problem
15 x 4
60