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What is the Least Common Multiple of 79717 and 79728?

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 79717 and 79728 is 577788816.

LCM(79717,79728) = 577788816

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Least Common Multiple of 79717 and 79728 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79717 and 79728, than apply into the LCM equation.

GCF(79717,79728) = 11
LCM(79717,79728) = ( 79717 × 79728) / 11
LCM(79717,79728) = 6355676976 / 11
LCM(79717,79728) = 577788816

Least Common Multiple (LCM) of 79717 and 79728 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79717 and 79728. First we will calculate the prime factors of 79717 and 79728.

Prime Factorization of 79717

Prime factors of 79717 are 11, 7247. Prime factorization of 79717 in exponential form is:

79717 = 111 × 72471

Prime Factorization of 79728

Prime factors of 79728 are 2, 3, 11, 151. Prime factorization of 79728 in exponential form is:

79728 = 24 × 31 × 111 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 79717 and 79728.

LCM(79717,79728) = 111 × 72471 × 24 × 31 × 1511
LCM(79717,79728) = 577788816