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What is the Least Common Multiple of 79715 and 79724?

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 (LCM) of 79715 and 79724 is 6355198660.

LCM(79715,79724) = 6355198660

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Least Common Multiple of 79715 and 79724 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79715 and 79724, than apply into the LCM equation.

GCF(79715,79724) = 1
LCM(79715,79724) = ( 79715 × 79724) / 1
LCM(79715,79724) = 6355198660 / 1
LCM(79715,79724) = 6355198660

Least Common Multiple (LCM) of 79715 and 79724 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79715 and 79724. First we will calculate the prime factors of 79715 and 79724.

Prime Factorization of 79715

Prime factors of 79715 are 5, 107, 149. Prime factorization of 79715 in exponential form is:

79715 = 51 × 1071 × 1491

Prime Factorization of 79724

Prime factors of 79724 are 2, 19, 1049. Prime factorization of 79724 in exponential form is:

79724 = 22 × 191 × 10491

Now multiplying the highest exponent prime factors to calculate the LCM of 79715 and 79724.

LCM(79715,79724) = 51 × 1071 × 1491 × 22 × 191 × 10491
LCM(79715,79724) = 6355198660