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What is the Least Common Multiple of 81498 and 81511?

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 81498 and 81511 is 6642983478.

LCM(81498,81511) = 6642983478

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Least Common Multiple of 81498 and 81511 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81498 and 81511, than apply into the LCM equation.

GCF(81498,81511) = 1
LCM(81498,81511) = ( 81498 × 81511) / 1
LCM(81498,81511) = 6642983478 / 1
LCM(81498,81511) = 6642983478

Least Common Multiple (LCM) of 81498 and 81511 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81498 and 81511. First we will calculate the prime factors of 81498 and 81511.

Prime Factorization of 81498

Prime factors of 81498 are 2, 3, 17, 47. Prime factorization of 81498 in exponential form is:

81498 = 21 × 31 × 172 × 471

Prime Factorization of 81511

Prime factors of 81511 are 37, 2203. Prime factorization of 81511 in exponential form is:

81511 = 371 × 22031

Now multiplying the highest exponent prime factors to calculate the LCM of 81498 and 81511.

LCM(81498,81511) = 21 × 31 × 172 × 471 × 371 × 22031
LCM(81498,81511) = 6642983478