What is the Least Common Multiple of 72290 and 72296?

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 72290 and 72296 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72290 and 72296, than apply into the LCM equation.

GCF(72290,72296) = 2
LCM(72290,72296) = ( 72290 × 72296) / 2
LCM(72290,72296) = 5226277840 / 2
LCM(72290,72296) = 2613138920

Least Common Multiple (LCM) of 72290 and 72296 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72290 and 72296. First we will calculate the prime factors of 72290 and 72296.

Prime Factorization of 72290

Prime Factorization of 72296

Now multiplying the highest exponent prime factors to calculate the LCM of 72290 and 72296.

LCM(72290,72296) = 2³ × 5¹ × 7229¹ × 7¹ × 1291¹
LCM(72290,72296) = 2613138920