What is the Least Common Multiple of 78686 and 78702?

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 78686 and 78702 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78686 and 78702, than apply into the LCM equation.

GCF(78686,78702) = 2
LCM(78686,78702) = ( 78686 × 78702) / 2
LCM(78686,78702) = 6192745572 / 2
LCM(78686,78702) = 3096372786

Least Common Multiple (LCM) of 78686 and 78702 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78686 and 78702. First we will calculate the prime factors of 78686 and 78702.

Prime Factorization of 78686

Prime Factorization of 78702

Now multiplying the highest exponent prime factors to calculate the LCM of 78686 and 78702.

LCM(78686,78702) = 2¹ × 39343¹ × 3¹ × 13¹ × 1009¹
LCM(78686,78702) = 3096372786