What is least common multiple of 135 225 and 315?

Answer 1

break down both numbers to their prime factors.

210 = 7 x 3 x 5 x 2

350 = 7 x 5 x 5 x 2

7, 5 , and 2 are common to both numbers

3 and 5 are the remainder

so the answer must be a multiple of 15 (3 x 5) as well as 7, 5 , and 2

15 x 7 x 5 x 2 = 1050 is the least common multiple

Answer 2

The factors of 210 are:

1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210

The factors of 315 are:

1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315

The common factors are:

1, 3, 5, 7, 15, 21, 35, 105

The Greatest Common Factor:

GCF = 105

Answer 3

The LCM of 210 and 315 is 630.

Answer 4

4725

Answer 5

630

Answer 6

4410