Question

LCM of 70,42 and 112​

Answer 1

Answer:

LCM or Lowest Common Multiple of 70,42,112 is 1680.

Step-by-step explanation:

Step no. 1- Find the factors of 70

70- 2×5×7

Step no. 2- Find the factors of 42

42- 2×3×7

Step no. 3- Find the factors of 112

112- 2×2×2×2×7

Step no. 4- Point out the common factors that we need to take once in the LCM

Common factors- 2×7

Step no. 5- Multiply the left numbers with common factors

LCM- 5×3×2×2×2×2×7

= 1680.

Answer 2

Step-by-step explanation:

2 70

5 35

7 7 =2×5×7

1

2 42

3 21

7 7 =2×3×7

1

2 112

2 56

2 28

2 14

7 7 =2×2×2×2×7

1