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What is the Least Common Multiple of 18856 and 18868?

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 18856 and 18868 is 88943752.

LCM(18856,18868) = 88943752

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Least Common Multiple of 18856 and 18868 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18856 and 18868, than apply into the LCM equation.

GCF(18856,18868) = 4
LCM(18856,18868) = ( 18856 × 18868) / 4
LCM(18856,18868) = 355775008 / 4
LCM(18856,18868) = 88943752

Least Common Multiple (LCM) of 18856 and 18868 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18856 and 18868. First we will calculate the prime factors of 18856 and 18868.

Prime Factorization of 18856

Prime factors of 18856 are 2, 2357. Prime factorization of 18856 in exponential form is:

18856 = 23 × 23571

Prime Factorization of 18868

Prime factors of 18868 are 2, 53, 89. Prime factorization of 18868 in exponential form is:

18868 = 22 × 531 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 18856 and 18868.

LCM(18856,18868) = 23 × 23571 × 531 × 891
LCM(18856,18868) = 88943752