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What is the Least Common Multiple of 250 and 270?

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 250 and 270 is 6750.

LCM(250,270) = 6750

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Least Common Multiple of 250 and 270 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 250 and 270, than apply into the LCM equation.

GCF(250,270) = 10
LCM(250,270) = ( 250 × 270) / 10
LCM(250,270) = 67500 / 10
LCM(250,270) = 6750

Least Common Multiple (LCM) of 250 and 270 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 250 and 270. First we will calculate the prime factors of 250 and 270.

Prime Factorization of 250

Prime factors of 250 are 2, 5. Prime factorization of 250 in exponential form is:

250 = 21 × 53

Prime Factorization of 270

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

270 = 21 × 33 × 51

Now multiplying the highest exponent prime factors to calculate the LCM of 250 and 270.

LCM(250,270) = 21 × 53 × 33
LCM(250,270) = 6750