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What is the Least Common Multiple of 81387 and 81404?

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 81387 and 81404 is 6625227348.

LCM(81387,81404) = 6625227348

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Least Common Multiple of 81387 and 81404 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81387 and 81404, than apply into the LCM equation.

GCF(81387,81404) = 1
LCM(81387,81404) = ( 81387 × 81404) / 1
LCM(81387,81404) = 6625227348 / 1
LCM(81387,81404) = 6625227348

Least Common Multiple (LCM) of 81387 and 81404 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81387 and 81404. First we will calculate the prime factors of 81387 and 81404.

Prime Factorization of 81387

Prime factors of 81387 are 3, 9043. Prime factorization of 81387 in exponential form is:

81387 = 32 × 90431

Prime Factorization of 81404

Prime factors of 81404 are 2, 47, 433. Prime factorization of 81404 in exponential form is:

81404 = 22 × 471 × 4331

Now multiplying the highest exponent prime factors to calculate the LCM of 81387 and 81404.

LCM(81387,81404) = 32 × 90431 × 22 × 471 × 4331
LCM(81387,81404) = 6625227348