Question
what is the least common multiple of 8,10
Answers
Ms. Sue
Which of these multiples is also divisible by 8?
10, 20, 30, 40, 50, 60, 70
10, 20, 30, 40, 50, 60, 70
Chelle
LCM
Solve by writing the multiples.
8 > 8,16,24,32,40,48,56,64,....
10 > 10,20,30,40,50,60,......
Solve by prime factorization.
8 10
/ \ / \
2•4 2•5
\•/\
2•2•2
2•2•2•5 = ?
Solve by writing the multiples.
8 > 8,16,24,32,40,48,56,64,....
10 > 10,20,30,40,50,60,......
Solve by prime factorization.
8 10
/ \ / \
2•4 2•5
\•/\
2•2•2
2•2•2•5 = ?