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What is the Least Common Multiple of 81839 and 81857?

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 81839 and 81857 is 6699095023.

LCM(81839,81857) = 6699095023

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Least Common Multiple of 81839 and 81857 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81839 and 81857, than apply into the LCM equation.

GCF(81839,81857) = 1
LCM(81839,81857) = ( 81839 × 81857) / 1
LCM(81839,81857) = 6699095023 / 1
LCM(81839,81857) = 6699095023

Least Common Multiple (LCM) of 81839 and 81857 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81839 and 81857. First we will calculate the prime factors of 81839 and 81857.

Prime Factorization of 81839

Prime factors of 81839 are 81839. Prime factorization of 81839 in exponential form is:

81839 = 818391

Prime Factorization of 81857

Prime factors of 81857 are 23, 3559. Prime factorization of 81857 in exponential form is:

81857 = 231 × 35591

Now multiplying the highest exponent prime factors to calculate the LCM of 81839 and 81857.

LCM(81839,81857) = 818391 × 231 × 35591
LCM(81839,81857) = 6699095023