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What is the Least Common Multiple of 73842 and 73857?

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 73842 and 73857 is 1817916198.

LCM(73842,73857) = 1817916198

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Least Common Multiple of 73842 and 73857 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73842 and 73857, than apply into the LCM equation.

GCF(73842,73857) = 3
LCM(73842,73857) = ( 73842 × 73857) / 3
LCM(73842,73857) = 5453748594 / 3
LCM(73842,73857) = 1817916198

Least Common Multiple (LCM) of 73842 and 73857 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73842 and 73857. First we will calculate the prime factors of 73842 and 73857.

Prime Factorization of 73842

Prime factors of 73842 are 2, 3, 31, 397. Prime factorization of 73842 in exponential form is:

73842 = 21 × 31 × 311 × 3971

Prime Factorization of 73857

Prime factors of 73857 are 3, 7, 3517. Prime factorization of 73857 in exponential form is:

73857 = 31 × 71 × 35171

Now multiplying the highest exponent prime factors to calculate the LCM of 73842 and 73857.

LCM(73842,73857) = 21 × 31 × 311 × 3971 × 71 × 35171
LCM(73842,73857) = 1817916198