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What is the Least Common Multiple of 77857 and 77872?

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 77857 and 77872 is 6062880304.

LCM(77857,77872) = 6062880304

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Least Common Multiple of 77857 and 77872 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77857 and 77872, than apply into the LCM equation.

GCF(77857,77872) = 1
LCM(77857,77872) = ( 77857 × 77872) / 1
LCM(77857,77872) = 6062880304 / 1
LCM(77857,77872) = 6062880304

Least Common Multiple (LCM) of 77857 and 77872 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77857 and 77872. First we will calculate the prime factors of 77857 and 77872.

Prime Factorization of 77857

Prime factors of 77857 are 13, 53, 113. Prime factorization of 77857 in exponential form is:

77857 = 131 × 531 × 1131

Prime Factorization of 77872

Prime factors of 77872 are 2, 31, 157. Prime factorization of 77872 in exponential form is:

77872 = 24 × 311 × 1571

Now multiplying the highest exponent prime factors to calculate the LCM of 77857 and 77872.

LCM(77857,77872) = 131 × 531 × 1131 × 24 × 311 × 1571
LCM(77857,77872) = 6062880304