What is the Least Common Multiple of 17615 and 17621?

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 17615 and 17621 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17615 and 17621, than apply into the LCM equation.

GCF(17615,17621) = 1
LCM(17615,17621) = ( 17615 × 17621) / 1
LCM(17615,17621) = 310393915 / 1
LCM(17615,17621) = 310393915

Least Common Multiple (LCM) of 17615 and 17621 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17615 and 17621. First we will calculate the prime factors of 17615 and 17621.

Prime Factorization of 17615

Prime Factorization of 17621

Now multiplying the highest exponent prime factors to calculate the LCM of 17615 and 17621.

LCM(17615,17621) = 5¹ × 13¹ × 271¹ × 67¹ × 263¹
LCM(17615,17621) = 310393915