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What is the Least Common Multiple of 12685 and 12692?

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 12685 and 12692 is 160998020.

LCM(12685,12692) = 160998020

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Least Common Multiple of 12685 and 12692 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12685 and 12692, than apply into the LCM equation.

GCF(12685,12692) = 1
LCM(12685,12692) = ( 12685 × 12692) / 1
LCM(12685,12692) = 160998020 / 1
LCM(12685,12692) = 160998020

Least Common Multiple (LCM) of 12685 and 12692 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12685 and 12692. First we will calculate the prime factors of 12685 and 12692.

Prime Factorization of 12685

Prime factors of 12685 are 5, 43, 59. Prime factorization of 12685 in exponential form is:

12685 = 51 × 431 × 591

Prime Factorization of 12692

Prime factors of 12692 are 2, 19, 167. Prime factorization of 12692 in exponential form is:

12692 = 22 × 191 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 12685 and 12692.

LCM(12685,12692) = 51 × 431 × 591 × 22 × 191 × 1671
LCM(12685,12692) = 160998020