What is the Least Common Multiple of 72485 and 72493?

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 72485 and 72493 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72485 and 72493, than apply into the LCM equation.

GCF(72485,72493) = 1
LCM(72485,72493) = ( 72485 × 72493) / 1
LCM(72485,72493) = 5254655105 / 1
LCM(72485,72493) = 5254655105

Least Common Multiple (LCM) of 72485 and 72493 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72485 and 72493. First we will calculate the prime factors of 72485 and 72493.

Prime Factorization of 72485

Prime Factorization of 72493

Now multiplying the highest exponent prime factors to calculate the LCM of 72485 and 72493.

LCM(72485,72493) = 5¹ × 7¹ × 19¹ × 109¹ × 72493¹
LCM(72485,72493) = 5254655105