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What is the Least Common Multiple of 375 and 392?

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 375 and 392 is 147000.

LCM(375,392) = 147000

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Least Common Multiple of 375 and 392 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 375 and 392, than apply into the LCM equation.

GCF(375,392) = 1
LCM(375,392) = ( 375 × 392) / 1
LCM(375,392) = 147000 / 1
LCM(375,392) = 147000

Least Common Multiple (LCM) of 375 and 392 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 375 and 392. First we will calculate the prime factors of 375 and 392.

Prime Factorization of 375

Prime factors of 375 are 3, 5. Prime factorization of 375 in exponential form is:

375 = 31 × 53

Prime Factorization of 392

Prime factors of 392 are 2, 7. Prime factorization of 392 in exponential form is:

392 = 23 × 72

Now multiplying the highest exponent prime factors to calculate the LCM of 375 and 392.

LCM(375,392) = 31 × 53 × 23 × 72
LCM(375,392) = 147000