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What is the Least Common Multiple of 78539 and 78545?

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 78539 and 78545 is 6168845755.

LCM(78539,78545) = 6168845755

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Least Common Multiple of 78539 and 78545 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78539 and 78545, than apply into the LCM equation.

GCF(78539,78545) = 1
LCM(78539,78545) = ( 78539 × 78545) / 1
LCM(78539,78545) = 6168845755 / 1
LCM(78539,78545) = 6168845755

Least Common Multiple (LCM) of 78539 and 78545 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78539 and 78545. First we will calculate the prime factors of 78539 and 78545.

Prime Factorization of 78539

Prime factors of 78539 are 78539. Prime factorization of 78539 in exponential form is:

78539 = 785391

Prime Factorization of 78545

Prime factors of 78545 are 5, 23, 683. Prime factorization of 78545 in exponential form is:

78545 = 51 × 231 × 6831

Now multiplying the highest exponent prime factors to calculate the LCM of 78539 and 78545.

LCM(78539,78545) = 785391 × 51 × 231 × 6831
LCM(78539,78545) = 6168845755