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What is the Least Common Multiple of 79581 and 79600?

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 79581 and 79600 is 6334647600.

LCM(79581,79600) = 6334647600

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Least Common Multiple of 79581 and 79600 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79581 and 79600, than apply into the LCM equation.

GCF(79581,79600) = 1
LCM(79581,79600) = ( 79581 × 79600) / 1
LCM(79581,79600) = 6334647600 / 1
LCM(79581,79600) = 6334647600

Least Common Multiple (LCM) of 79581 and 79600 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79581 and 79600. First we will calculate the prime factors of 79581 and 79600.

Prime Factorization of 79581

Prime factors of 79581 are 3, 41, 647. Prime factorization of 79581 in exponential form is:

79581 = 31 × 411 × 6471

Prime Factorization of 79600

Prime factors of 79600 are 2, 5, 199. Prime factorization of 79600 in exponential form is:

79600 = 24 × 52 × 1991

Now multiplying the highest exponent prime factors to calculate the LCM of 79581 and 79600.

LCM(79581,79600) = 31 × 411 × 6471 × 24 × 52 × 1991
LCM(79581,79600) = 6334647600