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What is the Least Common Multiple of 79668 and 79684?

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 79668 and 79684 is 1587066228.

LCM(79668,79684) = 1587066228

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Least Common Multiple of 79668 and 79684 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79668 and 79684, than apply into the LCM equation.

GCF(79668,79684) = 4
LCM(79668,79684) = ( 79668 × 79684) / 4
LCM(79668,79684) = 6348264912 / 4
LCM(79668,79684) = 1587066228

Least Common Multiple (LCM) of 79668 and 79684 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79668 and 79684. First we will calculate the prime factors of 79668 and 79684.

Prime Factorization of 79668

Prime factors of 79668 are 2, 3, 2213. Prime factorization of 79668 in exponential form is:

79668 = 22 × 32 × 22131

Prime Factorization of 79684

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

79684 = 22 × 111 × 18111

Now multiplying the highest exponent prime factors to calculate the LCM of 79668 and 79684.

LCM(79668,79684) = 22 × 32 × 22131 × 111 × 18111
LCM(79668,79684) = 1587066228