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What is the Least Common Multiple of 75489 and 75508?

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 75489 and 75508 is 5700023412.

LCM(75489,75508) = 5700023412

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Least Common Multiple of 75489 and 75508 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75489 and 75508, than apply into the LCM equation.

GCF(75489,75508) = 1
LCM(75489,75508) = ( 75489 × 75508) / 1
LCM(75489,75508) = 5700023412 / 1
LCM(75489,75508) = 5700023412

Least Common Multiple (LCM) of 75489 and 75508 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75489 and 75508. First we will calculate the prime factors of 75489 and 75508.

Prime Factorization of 75489

Prime factors of 75489 are 3, 25163. Prime factorization of 75489 in exponential form is:

75489 = 31 × 251631

Prime Factorization of 75508

Prime factors of 75508 are 2, 43, 439. Prime factorization of 75508 in exponential form is:

75508 = 22 × 431 × 4391

Now multiplying the highest exponent prime factors to calculate the LCM of 75489 and 75508.

LCM(75489,75508) = 31 × 251631 × 22 × 431 × 4391
LCM(75489,75508) = 5700023412