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What is the Least Common Multiple of 78315 and 78324?

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 78324 is 2044648020.

LCM(78315,78324) = 2044648020

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Least Common Multiple of 78315 and 78324 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 78324, than apply into the LCM equation.

GCF(78315,78324) = 3
LCM(78315,78324) = ( 78315 × 78324) / 3
LCM(78315,78324) = 6133944060 / 3
LCM(78315,78324) = 2044648020

Least Common Multiple (LCM) of 78315 and 78324 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78315 and 78324. First we will calculate the prime factors of 78315 and 78324.

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 78324

Prime factors of 78324 are 2, 3, 61, 107. Prime factorization of 78324 in exponential form is:

78324 = 22 × 31 × 611 × 1071

Now multiplying the highest exponent prime factors to calculate the LCM of 78315 and 78324.

LCM(78315,78324) = 31 × 51 × 231 × 2271 × 22 × 611 × 1071
LCM(78315,78324) = 2044648020