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What is the Least Common Multiple of 79665 and 79671?

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 79665 and 79671 is 2115663405.

LCM(79665,79671) = 2115663405

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Least Common Multiple of 79665 and 79671 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79665 and 79671, than apply into the LCM equation.

GCF(79665,79671) = 3
LCM(79665,79671) = ( 79665 × 79671) / 3
LCM(79665,79671) = 6346990215 / 3
LCM(79665,79671) = 2115663405

Least Common Multiple (LCM) of 79665 and 79671 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79665 and 79671. First we will calculate the prime factors of 79665 and 79671.

Prime Factorization of 79665

Prime factors of 79665 are 3, 5, 47, 113. Prime factorization of 79665 in exponential form is:

79665 = 31 × 51 × 471 × 1131

Prime Factorization of 79671

Prime factors of 79671 are 3, 26557. Prime factorization of 79671 in exponential form is:

79671 = 31 × 265571

Now multiplying the highest exponent prime factors to calculate the LCM of 79665 and 79671.

LCM(79665,79671) = 31 × 51 × 471 × 1131 × 265571
LCM(79665,79671) = 2115663405