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What is the Least Common Multiple of 304 and 315?

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 304 and 315 is 95760.

LCM(304,315) = 95760

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Least Common Multiple of 304 and 315 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 304 and 315, than apply into the LCM equation.

GCF(304,315) = 1
LCM(304,315) = ( 304 × 315) / 1
LCM(304,315) = 95760 / 1
LCM(304,315) = 95760

Least Common Multiple (LCM) of 304 and 315 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 304 and 315. First we will calculate the prime factors of 304 and 315.

Prime Factorization of 304

Prime factors of 304 are 2, 19. Prime factorization of 304 in exponential form is:

304 = 24 × 191

Prime Factorization of 315

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

315 = 32 × 51 × 71

Now multiplying the highest exponent prime factors to calculate the LCM of 304 and 315.

LCM(304,315) = 24 × 191 × 32 × 51 × 71
LCM(304,315) = 95760