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What is the Least Common Multiple of 11855 and 11862?

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 11855 and 11862 is 140624010.

LCM(11855,11862) = 140624010

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Least Common Multiple of 11855 and 11862 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11855 and 11862, than apply into the LCM equation.

GCF(11855,11862) = 1
LCM(11855,11862) = ( 11855 × 11862) / 1
LCM(11855,11862) = 140624010 / 1
LCM(11855,11862) = 140624010

Least Common Multiple (LCM) of 11855 and 11862 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11855 and 11862. First we will calculate the prime factors of 11855 and 11862.

Prime Factorization of 11855

Prime factors of 11855 are 5, 2371. Prime factorization of 11855 in exponential form is:

11855 = 51 × 23711

Prime Factorization of 11862

Prime factors of 11862 are 2, 3, 659. Prime factorization of 11862 in exponential form is:

11862 = 21 × 32 × 6591

Now multiplying the highest exponent prime factors to calculate the LCM of 11855 and 11862.

LCM(11855,11862) = 51 × 23711 × 21 × 32 × 6591
LCM(11855,11862) = 140624010