Prime number of 13 is 13
Prime numbers of 26 are 2 and 13
Prime numbers of 65 are 5 and 13
LCM = 2*5*13 =130
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The least common multiple (LCM) of 13 and 65 is the smallest multiple that both numbers share. To find the LCM, you can use the formula LCM(a, b) = (|a * b|) / GCD(a, b), where GCD is the greatest common divisor. In this case, the GCD of 13 and 65 is 13, so the LCM is (|13 * 65|) / 13 = 65.
factorization: 78=2*3*13 65=5*13 LCM=2*3*5*13=390
The LCM is: 390
Factors of 26: 1, 2, 13, 26Factors of 65: 1, 5, 13, 65GCF (26, 65) = 13
The LCM of 2, 13 and 26 is 26.