What is the Least Common Multiple of 72280 and 72299?

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 72280 and 72299 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72280 and 72299, than apply into the LCM equation.

GCF(72280,72299) = 1
LCM(72280,72299) = ( 72280 × 72299) / 1
LCM(72280,72299) = 5225771720 / 1
LCM(72280,72299) = 5225771720

Least Common Multiple (LCM) of 72280 and 72299 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72280 and 72299. First we will calculate the prime factors of 72280 and 72299.

Prime Factorization of 72280

Prime Factorization of 72299

Now multiplying the highest exponent prime factors to calculate the LCM of 72280 and 72299.

LCM(72280,72299) = 2³ × 5¹ × 13¹ × 139¹ × 197¹ × 367¹
LCM(72280,72299) = 5225771720