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What is the Least Common Multiple of 270 and 279?

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 270 and 279 is 8370.

LCM(270,279) = 8370

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Least Common Multiple of 270 and 279 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 270 and 279, than apply into the LCM equation.

GCF(270,279) = 9
LCM(270,279) = ( 270 × 279) / 9
LCM(270,279) = 75330 / 9
LCM(270,279) = 8370

Least Common Multiple (LCM) of 270 and 279 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 270 and 279. First we will calculate the prime factors of 270 and 279.

Prime Factorization of 270

Prime factors of 270 are 2, 3, 5. Prime factorization of 270 in exponential form is:

270 = 21 × 33 × 51

Prime Factorization of 279

Prime factors of 279 are 3, 31. Prime factorization of 279 in exponential form is:

279 = 32 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 270 and 279.

LCM(270,279) = 21 × 33 × 51 × 311
LCM(270,279) = 8370