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What is the Least Common Multiple of 51842 and 51857?

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 51842 and 51857 is 2688370594.

LCM(51842,51857) = 2688370594

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Least Common Multiple of 51842 and 51857 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51842 and 51857, than apply into the LCM equation.

GCF(51842,51857) = 1
LCM(51842,51857) = ( 51842 × 51857) / 1
LCM(51842,51857) = 2688370594 / 1
LCM(51842,51857) = 2688370594

Least Common Multiple (LCM) of 51842 and 51857 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51842 and 51857. First we will calculate the prime factors of 51842 and 51857.

Prime Factorization of 51842

Prime factors of 51842 are 2, 7, 23. Prime factorization of 51842 in exponential form is:

51842 = 21 × 72 × 232

Prime Factorization of 51857

Prime factors of 51857 are 13, 3989. Prime factorization of 51857 in exponential form is:

51857 = 131 × 39891

Now multiplying the highest exponent prime factors to calculate the LCM of 51842 and 51857.

LCM(51842,51857) = 21 × 72 × 232 × 131 × 39891
LCM(51842,51857) = 2688370594