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What is the Least Common Multiple of 79957 and 79968?

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 79957 and 79968 is 6394001376.

LCM(79957,79968) = 6394001376

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Least Common Multiple of 79957 and 79968 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79957 and 79968, than apply into the LCM equation.

GCF(79957,79968) = 1
LCM(79957,79968) = ( 79957 × 79968) / 1
LCM(79957,79968) = 6394001376 / 1
LCM(79957,79968) = 6394001376

Least Common Multiple (LCM) of 79957 and 79968 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79957 and 79968. First we will calculate the prime factors of 79957 and 79968.

Prime Factorization of 79957

Prime factors of 79957 are 37, 2161. Prime factorization of 79957 in exponential form is:

79957 = 371 × 21611

Prime Factorization of 79968

Prime factors of 79968 are 2, 3, 7, 17. Prime factorization of 79968 in exponential form is:

79968 = 25 × 31 × 72 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 79957 and 79968.

LCM(79957,79968) = 371 × 21611 × 25 × 31 × 72 × 171
LCM(79957,79968) = 6394001376