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What is the Least Common Multiple of 315 and 329?

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 315 and 329 is 14805.

LCM(315,329) = 14805

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Least Common Multiple of 315 and 329 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 315 and 329, than apply into the LCM equation.

GCF(315,329) = 7
LCM(315,329) = ( 315 × 329) / 7
LCM(315,329) = 103635 / 7
LCM(315,329) = 14805

Least Common Multiple (LCM) of 315 and 329 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 315 and 329. First we will calculate the prime factors of 315 and 329.

Prime Factorization of 315

Prime factors of 315 are 3, 5, 7. Prime factorization of 315 in exponential form is:

315 = 32 × 51 × 71

Prime Factorization of 329

Prime factors of 329 are 7, 47. Prime factorization of 329 in exponential form is:

329 = 71 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 315 and 329.

LCM(315,329) = 32 × 51 × 71 × 471
LCM(315,329) = 14805