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What is the Least Common Multiple of 267 and 285?

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 267 and 285 is 25365.

LCM(267,285) = 25365

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Least Common Multiple of 267 and 285 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 267 and 285, than apply into the LCM equation.

GCF(267,285) = 3
LCM(267,285) = ( 267 × 285) / 3
LCM(267,285) = 76095 / 3
LCM(267,285) = 25365

Least Common Multiple (LCM) of 267 and 285 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 267 and 285. First we will calculate the prime factors of 267 and 285.

Prime Factorization of 267

Prime factors of 267 are 3, 89. Prime factorization of 267 in exponential form is:

267 = 31 × 891

Prime Factorization of 285

Prime factors of 285 are 3, 5, 19. Prime factorization of 285 in exponential form is:

285 = 31 × 51 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 267 and 285.

LCM(267,285) = 31 × 891 × 51 × 191
LCM(267,285) = 25365