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What is the Least Common Multiple of 81499 and 81518?

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 81499 and 81518 is 6643635482.

LCM(81499,81518) = 6643635482

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Least Common Multiple of 81499 and 81518 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81499 and 81518, than apply into the LCM equation.

GCF(81499,81518) = 1
LCM(81499,81518) = ( 81499 × 81518) / 1
LCM(81499,81518) = 6643635482 / 1
LCM(81499,81518) = 6643635482

Least Common Multiple (LCM) of 81499 and 81518 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81499 and 81518. First we will calculate the prime factors of 81499 and 81518.

Prime Factorization of 81499

Prime factors of 81499 are 11, 31, 239. Prime factorization of 81499 in exponential form is:

81499 = 111 × 311 × 2391

Prime Factorization of 81518

Prime factors of 81518 are 2, 40759. Prime factorization of 81518 in exponential form is:

81518 = 21 × 407591

Now multiplying the highest exponent prime factors to calculate the LCM of 81499 and 81518.

LCM(81499,81518) = 111 × 311 × 2391 × 21 × 407591
LCM(81499,81518) = 6643635482