What is the Least Common Multiple of 72342 and 72351?

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 72342 and 72351 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72342 and 72351, than apply into the LCM equation.

GCF(72342,72351) = 9
LCM(72342,72351) = ( 72342 × 72351) / 9
LCM(72342,72351) = 5234016042 / 9
LCM(72342,72351) = 581557338

Least Common Multiple (LCM) of 72342 and 72351 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72342 and 72351. First we will calculate the prime factors of 72342 and 72351.

Prime Factorization of 72342

Prime Factorization of 72351

Now multiplying the highest exponent prime factors to calculate the LCM of 72342 and 72351.

LCM(72342,72351) = 2¹ × 3² × 4019¹ × 8039¹
LCM(72342,72351) = 581557338