What is the Least Common Multiple of 72815 and 72835?

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 72815 and 72835 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72815 and 72835, than apply into the LCM equation.

GCF(72815,72835) = 5
LCM(72815,72835) = ( 72815 × 72835) / 5
LCM(72815,72835) = 5303480525 / 5
LCM(72815,72835) = 1060696105

Least Common Multiple (LCM) of 72815 and 72835 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72815 and 72835. First we will calculate the prime factors of 72815 and 72835.

Prime Factorization of 72815

Prime Factorization of 72835

Now multiplying the highest exponent prime factors to calculate the LCM of 72815 and 72835.

LCM(72815,72835) = 5¹ × 14563¹ × 7¹ × 2081¹
LCM(72815,72835) = 1060696105