What is the Least Common Multiple of 78687 and 78699?

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 78687 and 78699 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78687 and 78699, than apply into the LCM equation.

GCF(78687,78699) = 3
LCM(78687,78699) = ( 78687 × 78699) / 3
LCM(78687,78699) = 6192588213 / 3
LCM(78687,78699) = 2064196071

Least Common Multiple (LCM) of 78687 and 78699 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78687 and 78699. First we will calculate the prime factors of 78687 and 78699.

Prime Factorization of 78687

Prime Factorization of 78699

Now multiplying the highest exponent prime factors to calculate the LCM of 78687 and 78699.

LCM(78687,78699) = 3² × 7¹ × 1249¹ × 37¹ × 709¹
LCM(78687,78699) = 2064196071