Best Answer

There is no greatest common multiple since numbers keep going on forever.

The greatest common factor is 7.

The least common multiple is 147

Q: What is the GCM of 21 and 49?

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It is 84

LCM of 21 & 49 is 147, so all multiples of 147 are common multiples of 21 & 49.

The GCM is infinite.

21/49 = 3/7

The GCF is 7.

Related questions

It is 84

210

The greatest common multiple of any set of integers is infinite.

The greatest common multiple of any set of integers is infinite.

21% of 49 is 10.29

Factors or 21 are: 1 3 7 21 Factors or 49 are: 1 7 49 Common factors of 21 and 49 are: 1 and 7

21

The factors of 21 are 1, 3, 7, and 21. The factors of 49 are 1, 7, and 49.

Multiples 21: 1,3,7,21Multiples 49: 1,7,49

The GCF of 21, 49, and 84 is 7.

LCM of 21 & 49 is 147, so all multiples of 147 are common multiples of 21 & 49.

The GCM is infinite.