What is the Least Common Multiple of 78790 and 78798?

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 78790 and 78798 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78790 and 78798, than apply into the LCM equation.

GCF(78790,78798) = 2
LCM(78790,78798) = ( 78790 × 78798) / 2
LCM(78790,78798) = 6208494420 / 2
LCM(78790,78798) = 3104247210

Least Common Multiple (LCM) of 78790 and 78798 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78790 and 78798. First we will calculate the prime factors of 78790 and 78798.

Prime Factorization of 78790

Prime Factorization of 78798

Now multiplying the highest exponent prime factors to calculate the LCM of 78790 and 78798.

LCM(78790,78798) = 2¹ × 5¹ × 7879¹ × 3¹ × 23¹ × 571¹
LCM(78790,78798) = 3104247210