Question

Find the LCM of the following
1. 42 , 56 and 70 ​

Answer 1

Answer:

42,56,70 lcm

2 42 56 70

7 24,28,35

3 3,4,5

2 1,4,5

2 1,2,5

5 1,1,5

1,1

LCM = 2×7×3×2×2×5= 84

Step-by-step explanation:

Answer 2

Answer:

840

Step-by-step explanation:

Prime Factorization:

42 = 2 × 3 × 7

56 = 2 × 2 × 2 × 7

70 = 2 × 5 × 7

LCM = 2 × 2 × 2 × 3 × 5 × 7 = 840.