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What is the Least Common Multiple of 327 and 345?

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 327 and 345 is 37605.

LCM(327,345) = 37605

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Least Common Multiple of 327 and 345 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 327 and 345, than apply into the LCM equation.

GCF(327,345) = 3
LCM(327,345) = ( 327 × 345) / 3
LCM(327,345) = 112815 / 3
LCM(327,345) = 37605

Least Common Multiple (LCM) of 327 and 345 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 327 and 345. First we will calculate the prime factors of 327 and 345.

Prime Factorization of 327

Prime factors of 327 are 3, 109. Prime factorization of 327 in exponential form is:

327 = 31 × 1091

Prime Factorization of 345

Prime factors of 345 are 3, 5, 23. Prime factorization of 345 in exponential form is:

345 = 31 × 51 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 327 and 345.

LCM(327,345) = 31 × 1091 × 51 × 231
LCM(327,345) = 37605