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What is the Least Common Multiple of 314 and 328?

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 314 and 328 is 51496.

LCM(314,328) = 51496

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Least Common Multiple of 314 and 328 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 314 and 328, than apply into the LCM equation.

GCF(314,328) = 2
LCM(314,328) = ( 314 × 328) / 2
LCM(314,328) = 102992 / 2
LCM(314,328) = 51496

Least Common Multiple (LCM) of 314 and 328 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 314 and 328. First we will calculate the prime factors of 314 and 328.

Prime Factorization of 314

Prime factors of 314 are 2, 157. Prime factorization of 314 in exponential form is:

314 = 21 × 1571

Prime Factorization of 328

Prime factors of 328 are 2, 41. Prime factorization of 328 in exponential form is:

328 = 23 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 314 and 328.

LCM(314,328) = 23 × 1571 × 411
LCM(314,328) = 51496