GCF and LCM Calculator Logo

What is the Least Common Multiple of 78441 and 78453?

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 78441 and 78453 is 2051310591.

LCM(78441,78453) = 2051310591

LCM Calculator and
and

Least Common Multiple of 78441 and 78453 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78441 and 78453, than apply into the LCM equation.

GCF(78441,78453) = 3
LCM(78441,78453) = ( 78441 × 78453) / 3
LCM(78441,78453) = 6153931773 / 3
LCM(78441,78453) = 2051310591

Least Common Multiple (LCM) of 78441 and 78453 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78441 and 78453. First we will calculate the prime factors of 78441 and 78453.

Prime Factorization of 78441

Prime factors of 78441 are 3, 11, 2377. Prime factorization of 78441 in exponential form is:

78441 = 31 × 111 × 23771

Prime Factorization of 78453

Prime factors of 78453 are 3, 23, 379. Prime factorization of 78453 in exponential form is:

78453 = 32 × 231 × 3791

Now multiplying the highest exponent prime factors to calculate the LCM of 78441 and 78453.

LCM(78441,78453) = 32 × 111 × 23771 × 231 × 3791
LCM(78441,78453) = 2051310591