Question

L.C. M of 35,105,140,280​

Answer 1

35=7x5, i.e. 7¹x5¹

105=5x3x7 i.e. 7¹x5¹x3¹

140=7x5x2x2 i.e. 7¹x5¹x2²

280=7x5x2x2x2 i.e. 7¹x5¹x2³

LCM = higest power of all numbers

Therefore, LCM is 7¹x5¹x3¹x2³

=40x21

=84

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Answer 2

LCM of 35;105;140;280. Is
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