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What is the Least Common Multiple of 314 and 321?

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 321 is 100794.

LCM(314,321) = 100794

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Least Common Multiple of 314 and 321 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 321, than apply into the LCM equation.

GCF(314,321) = 1
LCM(314,321) = ( 314 × 321) / 1
LCM(314,321) = 100794 / 1
LCM(314,321) = 100794

Least Common Multiple (LCM) of 314 and 321 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 314 and 321. First we will calculate the prime factors of 314 and 321.

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 321

Prime factors of 321 are 3, 107. Prime factorization of 321 in exponential form is:

321 = 31 × 1071

Now multiplying the highest exponent prime factors to calculate the LCM of 314 and 321.

LCM(314,321) = 21 × 1571 × 31 × 1071
LCM(314,321) = 100794