The greatest common multiple is an infinite amount and not very practical for problem solving.
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The least common multiple of 91 , 13 = 91
7 x 13 = 91. Therefore, 91 is a common multiple of 7 and 13, because both 7 and 13 are factors of the multiple, 91.There are infinitely many common multiples of 7 and 13: specifically, these consist of multiples of 91.
The LCM of 35 and 91 is 455.
The least common multiple of 7 and 13 is 91. Because the numbers in the set are prime, their LCM is their product.
The LCM is: 819