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What is the Least Common Multiple of 78316 and 78322?

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 78316 and 78322 is 3066932876.

LCM(78316,78322) = 3066932876

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Least Common Multiple of 78316 and 78322 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78316 and 78322, than apply into the LCM equation.

GCF(78316,78322) = 2
LCM(78316,78322) = ( 78316 × 78322) / 2
LCM(78316,78322) = 6133865752 / 2
LCM(78316,78322) = 3066932876

Least Common Multiple (LCM) of 78316 and 78322 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78316 and 78322. First we will calculate the prime factors of 78316 and 78322.

Prime Factorization of 78316

Prime factors of 78316 are 2, 7, 2797. Prime factorization of 78316 in exponential form is:

78316 = 22 × 71 × 27971

Prime Factorization of 78322

Prime factors of 78322 are 2, 39161. Prime factorization of 78322 in exponential form is:

78322 = 21 × 391611

Now multiplying the highest exponent prime factors to calculate the LCM of 78316 and 78322.

LCM(78316,78322) = 22 × 71 × 27971 × 391611
LCM(78316,78322) = 3066932876