What is the Least Common Multiple of 68388 and 68406?

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 68388 and 68406 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68388 and 68406, than apply into the LCM equation.

GCF(68388,68406) = 6
LCM(68388,68406) = ( 68388 × 68406) / 6
LCM(68388,68406) = 4678149528 / 6
LCM(68388,68406) = 779691588

Least Common Multiple (LCM) of 68388 and 68406 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68388 and 68406. First we will calculate the prime factors of 68388 and 68406.

Prime Factorization of 68388

Prime Factorization of 68406

Now multiplying the highest exponent prime factors to calculate the LCM of 68388 and 68406.

LCM(68388,68406) = 2² × 3¹ × 41¹ × 139¹ × 13¹ × 877¹
LCM(68388,68406) = 779691588