Question

Find the L.C.M. of 72, 80 and 252

Answer 1

L.C.M. 72, 80, 252

2	72,	80,	252
2	36,	40,	126
2	18,	20,	63
3	9,	10,	63
3	3,	10,	21
	1,	10,	7

= 2 × 2× 2 × 3 × 3 × 10 × 7 = 5040