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What is the Least Common Multiple of 42657 and 42676?

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 42657 and 42676 is 1820430132.

LCM(42657,42676) = 1820430132

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Least Common Multiple of 42657 and 42676 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42657 and 42676, than apply into the LCM equation.

GCF(42657,42676) = 1
LCM(42657,42676) = ( 42657 × 42676) / 1
LCM(42657,42676) = 1820430132 / 1
LCM(42657,42676) = 1820430132

Least Common Multiple (LCM) of 42657 and 42676 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42657 and 42676. First we will calculate the prime factors of 42657 and 42676.

Prime Factorization of 42657

Prime factors of 42657 are 3, 59, 241. Prime factorization of 42657 in exponential form is:

42657 = 31 × 591 × 2411

Prime Factorization of 42676

Prime factors of 42676 are 2, 47, 227. Prime factorization of 42676 in exponential form is:

42676 = 22 × 471 × 2271

Now multiplying the highest exponent prime factors to calculate the LCM of 42657 and 42676.

LCM(42657,42676) = 31 × 591 × 2411 × 22 × 471 × 2271
LCM(42657,42676) = 1820430132