what is the LCM of 21 and 40

LCM of 21 and 40
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2 Answers

LCM(21,40)=840

..................
by
The L.C.M of 21 and 40

= 7 x 3 x 2 x 2 x 2 x 5

= 840 (answer)
by Level 3 User (3.9k points)

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