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What is the Least Common Multiple of 72623 and 72638?

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 72623 and 72638 is 5275189474.

LCM(72623,72638) = 5275189474

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Least Common Multiple of 72623 and 72638 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72623 and 72638, than apply into the LCM equation.

GCF(72623,72638) = 1
LCM(72623,72638) = ( 72623 × 72638) / 1
LCM(72623,72638) = 5275189474 / 1
LCM(72623,72638) = 5275189474

Least Common Multiple (LCM) of 72623 and 72638 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72623 and 72638. First we will calculate the prime factors of 72623 and 72638.

Prime Factorization of 72623

Prime factors of 72623 are 72623. Prime factorization of 72623 in exponential form is:

72623 = 726231

Prime Factorization of 72638

Prime factors of 72638 are 2, 36319. Prime factorization of 72638 in exponential form is:

72638 = 21 × 363191

Now multiplying the highest exponent prime factors to calculate the LCM of 72623 and 72638.

LCM(72623,72638) = 726231 × 21 × 363191
LCM(72623,72638) = 5275189474