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What is the Least Common Multiple of 78411 and 78426?

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 78411 and 78426 is 2049820362.

LCM(78411,78426) = 2049820362

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Least Common Multiple of 78411 and 78426 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78411 and 78426, than apply into the LCM equation.

GCF(78411,78426) = 3
LCM(78411,78426) = ( 78411 × 78426) / 3
LCM(78411,78426) = 6149461086 / 3
LCM(78411,78426) = 2049820362

Least Common Multiple (LCM) of 78411 and 78426 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78411 and 78426. First we will calculate the prime factors of 78411 and 78426.

Prime Factorization of 78411

Prime factors of 78411 are 3, 59, 443. Prime factorization of 78411 in exponential form is:

78411 = 31 × 591 × 4431

Prime Factorization of 78426

Prime factors of 78426 are 2, 3, 4357. Prime factorization of 78426 in exponential form is:

78426 = 21 × 32 × 43571

Now multiplying the highest exponent prime factors to calculate the LCM of 78411 and 78426.

LCM(78411,78426) = 32 × 591 × 4431 × 21 × 43571
LCM(78411,78426) = 2049820362