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What is the Least Common Multiple of 72520 and 72539?

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 72539 is 5260528280.

LCM(72520,72539) = 5260528280

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Least Common Multiple of 72520 and 72539 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 72539, than apply into the LCM equation.

GCF(72520,72539) = 1
LCM(72520,72539) = ( 72520 × 72539) / 1
LCM(72520,72539) = 5260528280 / 1
LCM(72520,72539) = 5260528280

Least Common Multiple (LCM) of 72520 and 72539 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72520 and 72539. First we will calculate the prime factors of 72520 and 72539.

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 72539

Prime factors of 72539 are 17, 251. Prime factorization of 72539 in exponential form is:

72539 = 172 × 2511

Now multiplying the highest exponent prime factors to calculate the LCM of 72520 and 72539.

LCM(72520,72539) = 23 × 51 × 72 × 371 × 172 × 2511
LCM(72520,72539) = 5260528280