What is the Least Common Multiple of 72275 and 72280?

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 72275 and 72280 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72275 and 72280, than apply into the LCM equation.

GCF(72275,72280) = 5
LCM(72275,72280) = ( 72275 × 72280) / 5
LCM(72275,72280) = 5224037000 / 5
LCM(72275,72280) = 1044807400

Least Common Multiple (LCM) of 72275 and 72280 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72275 and 72280. First we will calculate the prime factors of 72275 and 72280.

Prime Factorization of 72275

Prime Factorization of 72280

Now multiplying the highest exponent prime factors to calculate the LCM of 72275 and 72280.

LCM(72275,72280) = 5² × 7² × 59¹ × 2³ × 13¹ × 139¹
LCM(72275,72280) = 1044807400