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What is the Least Common Multiple of 77855 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 77855 and 77872 is 6062724560.

LCM(77855,77872) = 6062724560

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Least Common Multiple of 77855 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 77855 and 77872, than apply into the LCM equation.

GCF(77855,77872) = 1
LCM(77855,77872) = ( 77855 × 77872) / 1
LCM(77855,77872) = 6062724560 / 1
LCM(77855,77872) = 6062724560

Least Common Multiple (LCM) of 77855 and 77872 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77855 and 77872. First we will calculate the prime factors of 77855 and 77872.

Prime Factorization of 77855

Prime factors of 77855 are 5, 23, 677. Prime factorization of 77855 in exponential form is:

77855 = 51 × 231 × 6771

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 77855 and 77872.

LCM(77855,77872) = 51 × 231 × 6771 × 24 × 311 × 1571
LCM(77855,77872) = 6062724560