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What is the Least Common Multiple of 78315 and 78329?

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 78315 and 78329 is 6134335635.

LCM(78315,78329) = 6134335635

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Least Common Multiple of 78315 and 78329 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78315 and 78329, than apply into the LCM equation.

GCF(78315,78329) = 1
LCM(78315,78329) = ( 78315 × 78329) / 1
LCM(78315,78329) = 6134335635 / 1
LCM(78315,78329) = 6134335635

Least Common Multiple (LCM) of 78315 and 78329 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78315 and 78329. First we will calculate the prime factors of 78315 and 78329.

Prime Factorization of 78315

Prime factors of 78315 are 3, 5, 23, 227. Prime factorization of 78315 in exponential form is:

78315 = 31 × 51 × 231 × 2271

Prime Factorization of 78329

Prime factors of 78329 are 29, 37, 73. Prime factorization of 78329 in exponential form is:

78329 = 291 × 371 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 78315 and 78329.

LCM(78315,78329) = 31 × 51 × 231 × 2271 × 291 × 371 × 731
LCM(78315,78329) = 6134335635