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What is the Least Common Multiple of 42591 and 42595?

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 42591 and 42595 is 1814163645.

LCM(42591,42595) = 1814163645

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Least Common Multiple of 42591 and 42595 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42591 and 42595, than apply into the LCM equation.

GCF(42591,42595) = 1
LCM(42591,42595) = ( 42591 × 42595) / 1
LCM(42591,42595) = 1814163645 / 1
LCM(42591,42595) = 1814163645

Least Common Multiple (LCM) of 42591 and 42595 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42591 and 42595. First we will calculate the prime factors of 42591 and 42595.

Prime Factorization of 42591

Prime factors of 42591 are 3, 14197. Prime factorization of 42591 in exponential form is:

42591 = 31 × 141971

Prime Factorization of 42595

Prime factors of 42595 are 5, 7, 1217. Prime factorization of 42595 in exponential form is:

42595 = 51 × 71 × 12171

Now multiplying the highest exponent prime factors to calculate the LCM of 42591 and 42595.

LCM(42591,42595) = 31 × 141971 × 51 × 71 × 12171
LCM(42591,42595) = 1814163645