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What is the Least Common Multiple of 79684 and 79688?

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 79684 and 79688 is 1587464648.

LCM(79684,79688) = 1587464648

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Least Common Multiple of 79684 and 79688 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79684 and 79688, than apply into the LCM equation.

GCF(79684,79688) = 4
LCM(79684,79688) = ( 79684 × 79688) / 4
LCM(79684,79688) = 6349858592 / 4
LCM(79684,79688) = 1587464648

Least Common Multiple (LCM) of 79684 and 79688 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79684 and 79688. First we will calculate the prime factors of 79684 and 79688.

Prime Factorization of 79684

Prime factors of 79684 are 2, 11, 1811. Prime factorization of 79684 in exponential form is:

79684 = 22 × 111 × 18111

Prime Factorization of 79688

Prime factors of 79688 are 2, 7, 1423. Prime factorization of 79688 in exponential form is:

79688 = 23 × 71 × 14231

Now multiplying the highest exponent prime factors to calculate the LCM of 79684 and 79688.

LCM(79684,79688) = 23 × 111 × 18111 × 71 × 14231
LCM(79684,79688) = 1587464648