Q: What is the GCM of 21 and 49?

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It is 84

210

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

21% of 49 is 10.29

LCD(49, 21) = 147

21

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

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

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

The factors of 21 are 1, 3, 7, 21 The factors of 49 are 1, 7, 49 The largest matching number is 7 so 7 is the GCF of 21 and 49.

21, 28, 35, 42, 49

The Lowest Common Multiple of 21 and 49 is 294.

21/49 = 3/7

The GCM is infinite.

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

The GCF of 21, 49, and 80 is 1.

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

LCM(21, 49, 56) = 1176

The GCF and LCM of 21 and 49 are 7 and 147 respectively

the factors of 21 are 3,7,1, 21,and -1, -21,-3,-7. the factors of 49 are 1,49,7,7 and -1, -21-7-7.

There can be no GCM (Greatest Common Multiple). Suppose a GCM exists and suppose it is x. That is, x is the GCM of 7 and 13, then 2x is a multiple of both 7 and 13 and is greater than x. This contradicts the statement that x is the GCM. So x cannot be the GCM.

The GCF of 21, 49, and 56 is 7

The GCF of 21, 49 and 115 is 1.

The GCF is 7.

The GCF is 7.

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