What is the Least Common Multiple of 78779 and 78790?

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 78779 and 78790 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78779 and 78790, than apply into the LCM equation.

GCF(78779,78790) = 1
LCM(78779,78790) = ( 78779 × 78790) / 1
LCM(78779,78790) = 6206997410 / 1
LCM(78779,78790) = 6206997410

Least Common Multiple (LCM) of 78779 and 78790 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78779 and 78790. First we will calculate the prime factors of 78779 and 78790.

Prime Factorization of 78779

Prime Factorization of 78790

Now multiplying the highest exponent prime factors to calculate the LCM of 78779 and 78790.

LCM(78779,78790) = 78779¹ × 2¹ × 5¹ × 7879¹
LCM(78779,78790) = 6206997410