What is the Least Common Multiple of 51508 and 51516?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 51508 and 51516 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51508 and 51516, than apply into the LCM equation.

GCF(51508,51516) = 4
LCM(51508,51516) = ( 51508 × 51516) / 4
LCM(51508,51516) = 2653486128 / 4
LCM(51508,51516) = 663371532

Least Common Multiple (LCM) of 51508 and 51516 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51508 and 51516. First we will calculate the prime factors of 51508 and 51516.

Prime Factorization of 51508

Prime Factorization of 51516

Now multiplying the highest exponent prime factors to calculate the LCM of 51508 and 51516.

LCM(51508,51516) = 2² × 79¹ × 163¹ × 3⁵ × 53¹
LCM(51508,51516) = 663371532