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What is the Least Common Multiple of 79839 and 79856?

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 79839 and 79856 is 6375623184.

LCM(79839,79856) = 6375623184

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Least Common Multiple of 79839 and 79856 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79839 and 79856, than apply into the LCM equation.

GCF(79839,79856) = 1
LCM(79839,79856) = ( 79839 × 79856) / 1
LCM(79839,79856) = 6375623184 / 1
LCM(79839,79856) = 6375623184

Least Common Multiple (LCM) of 79839 and 79856 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79839 and 79856. First we will calculate the prime factors of 79839 and 79856.

Prime Factorization of 79839

Prime factors of 79839 are 3, 2957. Prime factorization of 79839 in exponential form is:

79839 = 33 × 29571

Prime Factorization of 79856

Prime factors of 79856 are 2, 7, 23, 31. Prime factorization of 79856 in exponential form is:

79856 = 24 × 71 × 231 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 79839 and 79856.

LCM(79839,79856) = 33 × 29571 × 24 × 71 × 231 × 311
LCM(79839,79856) = 6375623184