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What is the Least Common Multiple of 79564 and 79574?

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 79564 and 79574 is 3165612868.

LCM(79564,79574) = 3165612868

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Least Common Multiple of 79564 and 79574 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79564 and 79574, than apply into the LCM equation.

GCF(79564,79574) = 2
LCM(79564,79574) = ( 79564 × 79574) / 2
LCM(79564,79574) = 6331225736 / 2
LCM(79564,79574) = 3165612868

Least Common Multiple (LCM) of 79564 and 79574 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79564 and 79574. First we will calculate the prime factors of 79564 and 79574.

Prime Factorization of 79564

Prime factors of 79564 are 2, 19891. Prime factorization of 79564 in exponential form is:

79564 = 22 × 198911

Prime Factorization of 79574

Prime factors of 79574 are 2, 11, 3617. Prime factorization of 79574 in exponential form is:

79574 = 21 × 111 × 36171

Now multiplying the highest exponent prime factors to calculate the LCM of 79564 and 79574.

LCM(79564,79574) = 22 × 198911 × 111 × 36171
LCM(79564,79574) = 3165612868