What is the Least Common Multiple of 72368 and 72388?

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 72368 and 72388 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72368 and 72388, than apply into the LCM equation.

GCF(72368,72388) = 4
LCM(72368,72388) = ( 72368 × 72388) / 4
LCM(72368,72388) = 5238574784 / 4
LCM(72368,72388) = 1309643696

Least Common Multiple (LCM) of 72368 and 72388 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72368 and 72388. First we will calculate the prime factors of 72368 and 72388.

Prime Factorization of 72368

Prime Factorization of 72388

Now multiplying the highest exponent prime factors to calculate the LCM of 72368 and 72388.

LCM(72368,72388) = 2⁴ × 4523¹ × 18097¹
LCM(72368,72388) = 1309643696