The Greatest Common Divisor (GCD) for 63 65 is 1
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GCD(42, 65) = 1
GCD: 21
GCD: 5
The Greatest Common Divisor/Denominator is 21
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.