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What is the Least Common Multiple of 76631 and 76640?

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 76631 and 76640 is 5872999840.

LCM(76631,76640) = 5872999840

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Least Common Multiple of 76631 and 76640 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76631 and 76640, than apply into the LCM equation.

GCF(76631,76640) = 1
LCM(76631,76640) = ( 76631 × 76640) / 1
LCM(76631,76640) = 5872999840 / 1
LCM(76631,76640) = 5872999840

Least Common Multiple (LCM) of 76631 and 76640 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76631 and 76640. First we will calculate the prime factors of 76631 and 76640.

Prime Factorization of 76631

Prime factors of 76631 are 76631. Prime factorization of 76631 in exponential form is:

76631 = 766311

Prime Factorization of 76640

Prime factors of 76640 are 2, 5, 479. Prime factorization of 76640 in exponential form is:

76640 = 25 × 51 × 4791

Now multiplying the highest exponent prime factors to calculate the LCM of 76631 and 76640.

LCM(76631,76640) = 766311 × 25 × 51 × 4791
LCM(76631,76640) = 5872999840