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What is the Least Common Multiple of 80631 and 80638?

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 80631 and 80638 is 6501922578.

LCM(80631,80638) = 6501922578

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Least Common Multiple of 80631 and 80638 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80631 and 80638, than apply into the LCM equation.

GCF(80631,80638) = 1
LCM(80631,80638) = ( 80631 × 80638) / 1
LCM(80631,80638) = 6501922578 / 1
LCM(80631,80638) = 6501922578

Least Common Multiple (LCM) of 80631 and 80638 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80631 and 80638. First we will calculate the prime factors of 80631 and 80638.

Prime Factorization of 80631

Prime factors of 80631 are 3, 17, 31. Prime factorization of 80631 in exponential form is:

80631 = 32 × 172 × 311

Prime Factorization of 80638

Prime factors of 80638 are 2, 23, 1753. Prime factorization of 80638 in exponential form is:

80638 = 21 × 231 × 17531

Now multiplying the highest exponent prime factors to calculate the LCM of 80631 and 80638.

LCM(80631,80638) = 32 × 172 × 311 × 21 × 231 × 17531
LCM(80631,80638) = 6501922578