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What is the Least Common Multiple of 72520 and 72531?

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 72520 and 72531 is 5259948120.

LCM(72520,72531) = 5259948120

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Least Common Multiple of 72520 and 72531 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72520 and 72531, than apply into the LCM equation.

GCF(72520,72531) = 1
LCM(72520,72531) = ( 72520 × 72531) / 1
LCM(72520,72531) = 5259948120 / 1
LCM(72520,72531) = 5259948120

Least Common Multiple (LCM) of 72520 and 72531 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72520 and 72531. First we will calculate the prime factors of 72520 and 72531.

Prime Factorization of 72520

Prime factors of 72520 are 2, 5, 7, 37. Prime factorization of 72520 in exponential form is:

72520 = 23 × 51 × 72 × 371

Prime Factorization of 72531

Prime factors of 72531 are 3, 8059. Prime factorization of 72531 in exponential form is:

72531 = 32 × 80591

Now multiplying the highest exponent prime factors to calculate the LCM of 72520 and 72531.

LCM(72520,72531) = 23 × 51 × 72 × 371 × 32 × 80591
LCM(72520,72531) = 5259948120