GCF and LCM Calculator Logo

What is the Least Common Multiple of 78411 and 78418?

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 78418 is 6148833798.

LCM(78411,78418) = 6148833798

LCM Calculator and
and

Least Common Multiple of 78411 and 78418 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 78418, than apply into the LCM equation.

GCF(78411,78418) = 1
LCM(78411,78418) = ( 78411 × 78418) / 1
LCM(78411,78418) = 6148833798 / 1
LCM(78411,78418) = 6148833798

Least Common Multiple (LCM) of 78411 and 78418 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78411 and 78418. First we will calculate the prime factors of 78411 and 78418.

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 78418

Prime factors of 78418 are 2, 39209. Prime factorization of 78418 in exponential form is:

78418 = 21 × 392091

Now multiplying the highest exponent prime factors to calculate the LCM of 78411 and 78418.

LCM(78411,78418) = 31 × 591 × 4431 × 21 × 392091
LCM(78411,78418) = 6148833798