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What is the Least Common Multiple of 319 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 319 and 331 is 105589.

LCM(319,331) = 105589

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Least Common Multiple of 319 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 319 and 331, than apply into the LCM equation.

GCF(319,331) = 1
LCM(319,331) = ( 319 × 331) / 1
LCM(319,331) = 105589 / 1
LCM(319,331) = 105589

Least Common Multiple (LCM) of 319 and 331 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 319 and 331. First we will calculate the prime factors of 319 and 331.

Prime Factorization of 319

Prime factors of 319 are 11, 29. Prime factorization of 319 in exponential form is:

319 = 111 × 291

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 319 and 331.

LCM(319,331) = 111 × 291 × 3311
LCM(319,331) = 105589