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Subjects>Math>Basic Math

What is the least common multiple of 7 and 21?

Updated: 4/28/2022

Wiki User

∙ 7y ago

Best Answer

The LCM of 7 and 21 is 21. Since 7 is a factor of 21, the LCM is automatically 21.
21 is.

Wiki User

∙ 7y ago

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More answers

Wiki User

∙ 14y ago

The lowest common multiple of 21 and 7 is 147.

Wiki User

∙ 10y ago

The least common multiple of the numbers 21 and 7 is 21.

Wiki User

∙ 13y ago

L.C.M. of 7 and 21: 21

Multiples of 7: 7, 14, 21, 28, 35, 42,...

Multiples of 21: 21, 42, 63, 84,...

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Continue Learning about Basic Math

What are the least common multiples of 3 and 7?

The Least Common Multiple (LCM) of (3,7) is 21.

What are the common multiples of 7 14 and 21?

The common multiples of 7, 14, and 21 are the infinite set of multiples of their least common multiple, which is 42. So the common multiplesof 7, 14, and 21 are 42, 84, 126, 168, and so on.Any multiple of 42.

Lcm 3 and 7?

The (LCM) Least Common Multiple of 7 and 3 is 21 because that is the LEAST number that both 3 and 7 go into.

What is the least common multiple of 5 7 2?

The least common multiple of 5 , 7 , 2 = 70

What is the least common multiple of 7 12 and 18?

The Least Common Multiple (LCM) for 7 12 18 is 252.

Related questions

What is the least common multiple of 7 9 21?

The least common multiple of 7 , 9 , 21 = 63

What is the least common multiple of 7 75 21?

The Least Common Multiple (LCM) for 7 75 21 is 525.

What is the least common 7 and 3?

The least common multiple is 21.

What is the least common multiple of 28 7 and 21?

The Least Common Multiple (LCM) for 21 28 7 is 84.

What is the least common multiple of 7 21 and 35?

The LCM of 7, 21 and 35 is 105.

What is the least common multiple of 7 14 21 and 36?

The least common multiple of 7, 14, 21 and 36 is: 252

What is the least common multiple of 7 21 28 60?

The Least Common Multiple (LCM) for 7 21 28 60 is 420.

What is the least common multiple of 14 21 and 7?

The least common multiple of the numbers 21, 14 and 7 is 42.

Which is the least common multiple of 3 and 7?

The Least Common Multiple (LCM) of (3,7) is 21.

Least common multiple of 7 and 21?

LCM: 21

Lowest common multiple of 7 12 and 21?

Least Common Multiple (LCM) for 7 12 21 is 84

What is the least common multiple of 7 11 and 21?

TheLeast Common Multiple (LCM) for 7 11 21 is 231.

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