The greatest common multiple of any set of integers is infinite.
There can be no greatest common multiple. For, if x were the greatest common multiple, then 2x would be (a) a common multiple and (b) greater than x. So x could not have been the greatest common multiple.
125 5*125 = 625 4*125 = 500
7500
7500
625
The LCM of 625 and 30 is 3750.
The least common multiple of 64 and 625 is 40000.
The greatest common factor of 13,756,875 and 78,125 is 625.
15000
Their product.
The GCF of 625 and 1000 is 125
The GCF is 625.