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What is the Least Common Multiple of 12846 and 12857?

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 12846 and 12857 is 165161022.

LCM(12846,12857) = 165161022

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Least Common Multiple of 12846 and 12857 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12846 and 12857, than apply into the LCM equation.

GCF(12846,12857) = 1
LCM(12846,12857) = ( 12846 × 12857) / 1
LCM(12846,12857) = 165161022 / 1
LCM(12846,12857) = 165161022

Least Common Multiple (LCM) of 12846 and 12857 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12846 and 12857. First we will calculate the prime factors of 12846 and 12857.

Prime Factorization of 12846

Prime factors of 12846 are 2, 3, 2141. Prime factorization of 12846 in exponential form is:

12846 = 21 × 31 × 21411

Prime Factorization of 12857

Prime factors of 12857 are 13, 23, 43. Prime factorization of 12857 in exponential form is:

12857 = 131 × 231 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 12846 and 12857.

LCM(12846,12857) = 21 × 31 × 21411 × 131 × 231 × 431
LCM(12846,12857) = 165161022