What is the Least Common Multiple of 78868 and 78886?

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 of 78868 and 78886 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78868 and 78886, than apply into the LCM equation.

GCF(78868,78886) = 2
LCM(78868,78886) = ( 78868 × 78886) / 2
LCM(78868,78886) = 6221581048 / 2
LCM(78868,78886) = 3110790524

Least Common Multiple (LCM) of 78868 and 78886 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78868 and 78886. First we will calculate the prime factors of 78868 and 78886.

Prime Factorization of 78868

Prime Factorization of 78886

Now multiplying the highest exponent prime factors to calculate the LCM of 78868 and 78886.

LCM(78868,78886) = 2² × 19717¹ × 39443¹
LCM(78868,78886) = 3110790524