GCF and LCM Calculator Logo

What is the Least Common Multiple of 78363 and 78378?

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 78363 and 78378 is 2047311738.

LCM(78363,78378) = 2047311738

LCM Calculator and
and

Least Common Multiple of 78363 and 78378 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78363 and 78378, than apply into the LCM equation.

GCF(78363,78378) = 3
LCM(78363,78378) = ( 78363 × 78378) / 3
LCM(78363,78378) = 6141935214 / 3
LCM(78363,78378) = 2047311738

Least Common Multiple (LCM) of 78363 and 78378 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78363 and 78378. First we will calculate the prime factors of 78363 and 78378.

Prime Factorization of 78363

Prime factors of 78363 are 3, 8707. Prime factorization of 78363 in exponential form is:

78363 = 32 × 87071

Prime Factorization of 78378

Prime factors of 78378 are 2, 3, 13063. Prime factorization of 78378 in exponential form is:

78378 = 21 × 31 × 130631

Now multiplying the highest exponent prime factors to calculate the LCM of 78363 and 78378.

LCM(78363,78378) = 32 × 87071 × 21 × 130631
LCM(78363,78378) = 2047311738