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What is the Least Common Multiple of 81499 and 81514?

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 81514 is 6643309486.

LCM(81499,81514) = 6643309486

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Least Common Multiple of 81499 and 81514 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 81514, than apply into the LCM equation.

GCF(81499,81514) = 1
LCM(81499,81514) = ( 81499 × 81514) / 1
LCM(81499,81514) = 6643309486 / 1
LCM(81499,81514) = 6643309486

Least Common Multiple (LCM) of 81499 and 81514 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81499 and 81514. First we will calculate the prime factors of 81499 and 81514.

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 81514

Prime factors of 81514 are 2, 53, 769. Prime factorization of 81514 in exponential form is:

81514 = 21 × 531 × 7691

Now multiplying the highest exponent prime factors to calculate the LCM of 81499 and 81514.

LCM(81499,81514) = 111 × 311 × 2391 × 21 × 531 × 7691
LCM(81499,81514) = 6643309486