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What is the Least Common Multiple of 81601 and 81619?

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 81601 and 81619 is 6660192019.

LCM(81601,81619) = 6660192019

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Least Common Multiple of 81601 and 81619 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81601 and 81619, than apply into the LCM equation.

GCF(81601,81619) = 1
LCM(81601,81619) = ( 81601 × 81619) / 1
LCM(81601,81619) = 6660192019 / 1
LCM(81601,81619) = 6660192019

Least Common Multiple (LCM) of 81601 and 81619 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81601 and 81619. First we will calculate the prime factors of 81601 and 81619.

Prime Factorization of 81601

Prime factors of 81601 are 13, 6277. Prime factorization of 81601 in exponential form is:

81601 = 131 × 62771

Prime Factorization of 81619

Prime factors of 81619 are 81619. Prime factorization of 81619 in exponential form is:

81619 = 816191

Now multiplying the highest exponent prime factors to calculate the LCM of 81601 and 81619.

LCM(81601,81619) = 131 × 62771 × 816191
LCM(81601,81619) = 6660192019