Question

Find the smallest number which is divisible by both 644 and 462.

Answer 1

LCM of 644 and 462

2	644, 462
2	322, 231
3	161, 231
7	161, 77
11	23, 11
23	23, 1
	1,1

LCM = 2 × 2 × 3 × 7 × 11 × 23

LCM = 21,252

The smallest number divisible by both 644 and 462 is 21,252.