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What is the Least Common Multiple of 72505 and 72517?

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 72505 and 72517 is 5257845085.

LCM(72505,72517) = 5257845085

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Least Common Multiple of 72505 and 72517 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72505 and 72517, than apply into the LCM equation.

GCF(72505,72517) = 1
LCM(72505,72517) = ( 72505 × 72517) / 1
LCM(72505,72517) = 5257845085 / 1
LCM(72505,72517) = 5257845085

Least Common Multiple (LCM) of 72505 and 72517 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72505 and 72517. First we will calculate the prime factors of 72505 and 72517.

Prime Factorization of 72505

Prime factors of 72505 are 5, 17, 853. Prime factorization of 72505 in exponential form is:

72505 = 51 × 171 × 8531

Prime Factorization of 72517

Prime factors of 72517 are 127, 571. Prime factorization of 72517 in exponential form is:

72517 = 1271 × 5711

Now multiplying the highest exponent prime factors to calculate the LCM of 72505 and 72517.

LCM(72505,72517) = 51 × 171 × 8531 × 1271 × 5711
LCM(72505,72517) = 5257845085