Page 9 - NUMINO_WB_6A
P. 9
100-B2-1
Using Prime Factorization
1. Find the least common multiple of each pair of numbers.
Example
4, 6
4= 2 2 =
6= 2 3 The LCM:
a. 3 3 =
9, 15 5 The LCM:
9= 3
15 = 3
b.
12, 28
12 = 2 2 2=
28 = 2 2 The LCM:
c.
18, 42
18 = 2 3 7 2 =
42 = 3 The LCM:
Using Prime Factorization
1. Find the least common multiple of each pair of numbers.
Example
4, 6
4= 2 2 =
6= 2 3 The LCM:
a. 3 3 =
9, 15 5 The LCM:
9= 3
15 = 3
b.
12, 28
12 = 2 2 2=
28 = 2 2 The LCM:
c.
18, 42
18 = 2 3 7 2 =
42 = 3 The LCM:
