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What is the Least Common Multiple of 310 and 330?

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 310 and 330 is 10230.

LCM(310,330) = 10230

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Least Common Multiple of 310 and 330 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 310 and 330, than apply into the LCM equation.

GCF(310,330) = 10
LCM(310,330) = ( 310 × 330) / 10
LCM(310,330) = 102300 / 10
LCM(310,330) = 10230

Least Common Multiple (LCM) of 310 and 330 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 310 and 330. First we will calculate the prime factors of 310 and 330.

Prime Factorization of 310

Prime factors of 310 are 2, 5, 31. Prime factorization of 310 in exponential form is:

310 = 21 × 51 × 311

Prime Factorization of 330

Prime factors of 330 are 2, 3, 5, 11. Prime factorization of 330 in exponential form is:

330 = 21 × 31 × 51 × 111

Now multiplying the highest exponent prime factors to calculate the LCM of 310 and 330.

LCM(310,330) = 21 × 51 × 311 × 31 × 111
LCM(310,330) = 10230