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What is the LCM of 21 and 40 how to solve it?

Updated: 9/21/2023

Wiki User

∙ 13y ago

Best Answer

Prime factors of 21 are: 3 and 7

Prime factors of 40 are: 23 and 5

LCM = 23*3*5*7 = 840

Wiki User

∙ 13y ago

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What is the lcm of 21 and 40 using continues division?

840

What is the LCM of 21 and 21?

The LCM is 21.

What is the LCM of 4 and 8 and 5?

The LCM of 4, 5, and 8 is 40.

What is the LCM of 5 20 40?

The LCM is 40.

What is the LCM for 10 and 40?

LCM for 10 and 40 is 40.

Related questions

What is the LCM of 12 18 21 40?

The LCM is 2520.

What is the LCM of 4 21 40?

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What is the lcm of 21 and 40 using continues division?

840

What is the least common multiple of 7 and 21 and 40?

The LCM is: 840

What is the LCM of 21 and 21?

The LCM is 21.

What is the LCM of 40 and 105?

The LCM of 40 and 105 is 840 You could check on a calculator you can find that there is no other answer 40*21=840 105*8=840

What is the LCM of 40 and 1?

The LCM is 40.

What is the LCM of 15 21 and 40?

840. 15 = 3 x 5 21 = 3 x 7 40 = 23 x 5 lcm = 23 x 3 x 5 x 7 = 840

What is the LCM of 1 and 21?

The LCM is 21.

What is the LCM of 4 and 8 and 5?

The LCM of 4, 5, and 8 is 40.

What is the LCM of 5 20 40?

The LCM is 40.

How many integers between 1 and 40 are multiples of 3 or 7?

LCM of 3 and 7 under 40 is 21

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