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What is the Least Common Multiple of 78519 and 78538?

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 78519 and 78538 is 6166725222.

LCM(78519,78538) = 6166725222

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Least Common Multiple of 78519 and 78538 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78519 and 78538, than apply into the LCM equation.

GCF(78519,78538) = 1
LCM(78519,78538) = ( 78519 × 78538) / 1
LCM(78519,78538) = 6166725222 / 1
LCM(78519,78538) = 6166725222

Least Common Multiple (LCM) of 78519 and 78538 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78519 and 78538. First we will calculate the prime factors of 78519 and 78538.

Prime Factorization of 78519

Prime factors of 78519 are 3, 7, 3739. Prime factorization of 78519 in exponential form is:

78519 = 31 × 71 × 37391

Prime Factorization of 78538

Prime factors of 78538 are 2, 107, 367. Prime factorization of 78538 in exponential form is:

78538 = 21 × 1071 × 3671

Now multiplying the highest exponent prime factors to calculate the LCM of 78519 and 78538.

LCM(78519,78538) = 31 × 71 × 37391 × 21 × 1071 × 3671
LCM(78519,78538) = 6166725222