What is the Least Common Multiple of 72608 and 72612?

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 72608 and 72612 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72608 and 72612, than apply into the LCM equation.

GCF(72608,72612) = 4
LCM(72608,72612) = ( 72608 × 72612) / 4
LCM(72608,72612) = 5272212096 / 4
LCM(72608,72612) = 1318053024

Least Common Multiple (LCM) of 72608 and 72612 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72608 and 72612. First we will calculate the prime factors of 72608 and 72612.

Prime Factorization of 72608

Prime Factorization of 72612

Now multiplying the highest exponent prime factors to calculate the LCM of 72608 and 72612.

LCM(72608,72612) = 2⁵ × 2269¹ × 3² × 2017¹
LCM(72608,72612) = 1318053024