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What is the Least Common Multiple of 3375 and 3390?

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 3375 and 3390 is 762750.

LCM(3375,3390) = 762750

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Least Common Multiple of 3375 and 3390 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3375 and 3390, than apply into the LCM equation.

GCF(3375,3390) = 15
LCM(3375,3390) = ( 3375 × 3390) / 15
LCM(3375,3390) = 11441250 / 15
LCM(3375,3390) = 762750

Least Common Multiple (LCM) of 3375 and 3390 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3375 and 3390. First we will calculate the prime factors of 3375 and 3390.

Prime Factorization of 3375

Prime factors of 3375 are 3, 5. Prime factorization of 3375 in exponential form is:

3375 = 33 × 53

Prime Factorization of 3390

Prime factors of 3390 are 2, 3, 5, 113. Prime factorization of 3390 in exponential form is:

3390 = 21 × 31 × 51 × 1131

Now multiplying the highest exponent prime factors to calculate the LCM of 3375 and 3390.

LCM(3375,3390) = 33 × 53 × 21 × 1131
LCM(3375,3390) = 762750