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What is the Least Common Multiple of 313 and 331?

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 313 and 331 is 103603.

LCM(313,331) = 103603

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Least Common Multiple of 313 and 331 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 313 and 331, than apply into the LCM equation.

GCF(313,331) = 1
LCM(313,331) = ( 313 × 331) / 1
LCM(313,331) = 103603 / 1
LCM(313,331) = 103603

Least Common Multiple (LCM) of 313 and 331 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 313 and 331. First we will calculate the prime factors of 313 and 331.

Prime Factorization of 313

Prime factors of 313 are 313. Prime factorization of 313 in exponential form is:

313 = 3131

Prime Factorization of 331

Prime factors of 331 are 331. Prime factorization of 331 in exponential form is:

331 = 3311

Now multiplying the highest exponent prime factors to calculate the LCM of 313 and 331.

LCM(313,331) = 3131 × 3311
LCM(313,331) = 103603