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What is the Least Common Multiple of 72387 and 72403?

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 72387 and 72403 is 5241035961.

LCM(72387,72403) = 5241035961

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Least Common Multiple of 72387 and 72403 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72387 and 72403, than apply into the LCM equation.

GCF(72387,72403) = 1
LCM(72387,72403) = ( 72387 × 72403) / 1
LCM(72387,72403) = 5241035961 / 1
LCM(72387,72403) = 5241035961

Least Common Multiple (LCM) of 72387 and 72403 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72387 and 72403. First we will calculate the prime factors of 72387 and 72403.

Prime Factorization of 72387

Prime factors of 72387 are 3, 7, 383. Prime factorization of 72387 in exponential form is:

72387 = 33 × 71 × 3831

Prime Factorization of 72403

Prime factors of 72403 are 17, 4259. Prime factorization of 72403 in exponential form is:

72403 = 171 × 42591

Now multiplying the highest exponent prime factors to calculate the LCM of 72387 and 72403.

LCM(72387,72403) = 33 × 71 × 3831 × 171 × 42591
LCM(72387,72403) = 5241035961