What is the Least Common Multiple of 72728 and 72742?

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 72728 and 72742 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72728 and 72742, than apply into the LCM equation.

GCF(72728,72742) = 2
LCM(72728,72742) = ( 72728 × 72742) / 2
LCM(72728,72742) = 5290380176 / 2
LCM(72728,72742) = 2645190088

Least Common Multiple (LCM) of 72728 and 72742 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72728 and 72742. First we will calculate the prime factors of 72728 and 72742.

Prime Factorization of 72728

Prime Factorization of 72742

Now multiplying the highest exponent prime factors to calculate the LCM of 72728 and 72742.

LCM(72728,72742) = 2³ × 9091¹ × 37¹ × 983¹
LCM(72728,72742) = 2645190088