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What is the Least Common Multiple of 51686 and 51705?

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 51686 and 51705 is 2672424630.

LCM(51686,51705) = 2672424630

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Least Common Multiple of 51686 and 51705 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51686 and 51705, than apply into the LCM equation.

GCF(51686,51705) = 1
LCM(51686,51705) = ( 51686 × 51705) / 1
LCM(51686,51705) = 2672424630 / 1
LCM(51686,51705) = 2672424630

Least Common Multiple (LCM) of 51686 and 51705 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51686 and 51705. First we will calculate the prime factors of 51686 and 51705.

Prime Factorization of 51686

Prime factors of 51686 are 2, 43, 601. Prime factorization of 51686 in exponential form is:

51686 = 21 × 431 × 6011

Prime Factorization of 51705

Prime factors of 51705 are 3, 5, 383. Prime factorization of 51705 in exponential form is:

51705 = 33 × 51 × 3831

Now multiplying the highest exponent prime factors to calculate the LCM of 51686 and 51705.

LCM(51686,51705) = 21 × 431 × 6011 × 33 × 51 × 3831
LCM(51686,51705) = 2672424630