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What is the Least Common Multiple of 311 and 317?

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 311 and 317 is 98587.

LCM(311,317) = 98587

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Least Common Multiple of 311 and 317 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 311 and 317, than apply into the LCM equation.

GCF(311,317) = 1
LCM(311,317) = ( 311 × 317) / 1
LCM(311,317) = 98587 / 1
LCM(311,317) = 98587

Least Common Multiple (LCM) of 311 and 317 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 311 and 317. First we will calculate the prime factors of 311 and 317.

Prime Factorization of 311

Prime factors of 311 are 311. Prime factorization of 311 in exponential form is:

311 = 3111

Prime Factorization of 317

Prime factors of 317 are 317. Prime factorization of 317 in exponential form is:

317 = 3171

Now multiplying the highest exponent prime factors to calculate the LCM of 311 and 317.

LCM(311,317) = 3111 × 3171
LCM(311,317) = 98587