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Q: What is the LCM of 21 39 and 45?

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The LCM is 585.

The Least Common Multiple (LCM) for 39 45 is 585.

LCM of 21 and 45=315 Factors of 21= 3x7 Factors of 45=3x3x5 Lcm= 3x5x7x3=315

273

21 + 39 + 45 + 25 = 130

1092

The Least Common Multiple (LCM) for 39 21 is 273.

LCM = 273

630

It is: 630

The LCM is: 39

List the multiples:15: 15, 30, 459: 9, 18, 27, 36, 453: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45Least common multiple: 45