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There can never be a greatest common multiple of one number for two reasons:
- "Common" refers to a multiple that is common to two or more numbers. You cannot have a multiple that is common, but only to one number.
- If X is the greatest common multiple of a set of numbers, then any multiple of X will also be a common multiple of each member of the set and it will be greater than X. And then, any multiple of this number will be a multiple of each member of the set and will be greater still. And then ...
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What is the least common multiple of 7 and 27?
The least common multiple of two numbers is their product divided by their greatest common factor. Since 7 is a prime number and 27 is not a multiple of 7, their greatest common factor is 1. The least common multiple is 7 x 27 ÷ 1 = 189.
What is the greatest common multiple of 7 and 15?
The greatest common multiple of 7 and 15, like any two numbers, is infinite.The lowest common multiple, the smallest number into which both 7 and 15 divide, is 105The greatest common factor, the largest number which divides both 7 and 15, is 1.
What is the greatest common multiple of 5 7 and 8?
There is no answer.
What is the greatest common multiple of 5 6 7?
Don't you mean least common multiple? The least common multiple is 210.
What is the GCM of 21 and 49?
There is no greatest common multiple since numbers keep going on forever. The greatest common factor is 7. The least common multiple is 147
