780,000 is a common multiple of those two.
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The greatest common factor (GCF) of 78 and 780 is 78. Since 78 is a factor of 780, it is automatically the GCF.
Since 52 is a multiple of 13, it is automatically the LCM.
780 is divisible by 2 because it's even. 780 is divisible by 3 because its digits total a multiple of 3. 780 is divisible by 5 because it ends in a 0. 780 is divisible by 10 because it ends in a 0.
36400 56*650 = 36400 65*560 = 36400
Least common multiple of 5 and 12 and 13 is 780.