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What is the Least Common Multiple of 42855 and 42862?

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 42855 and 42862 is 1836851010.

LCM(42855,42862) = 1836851010

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Least Common Multiple of 42855 and 42862 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42855 and 42862, than apply into the LCM equation.

GCF(42855,42862) = 1
LCM(42855,42862) = ( 42855 × 42862) / 1
LCM(42855,42862) = 1836851010 / 1
LCM(42855,42862) = 1836851010

Least Common Multiple (LCM) of 42855 and 42862 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42855 and 42862. First we will calculate the prime factors of 42855 and 42862.

Prime Factorization of 42855

Prime factors of 42855 are 3, 5, 2857. Prime factorization of 42855 in exponential form is:

42855 = 31 × 51 × 28571

Prime Factorization of 42862

Prime factors of 42862 are 2, 29, 739. Prime factorization of 42862 in exponential form is:

42862 = 21 × 291 × 7391

Now multiplying the highest exponent prime factors to calculate the LCM of 42855 and 42862.

LCM(42855,42862) = 31 × 51 × 28571 × 21 × 291 × 7391
LCM(42855,42862) = 1836851010