What is the Least Common Multiple of 17315 and 17320?

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 17315 and 17320 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17315 and 17320, than apply into the LCM equation.

GCF(17315,17320) = 5
LCM(17315,17320) = ( 17315 × 17320) / 5
LCM(17315,17320) = 299895800 / 5
LCM(17315,17320) = 59979160

Least Common Multiple (LCM) of 17315 and 17320 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17315 and 17320. First we will calculate the prime factors of 17315 and 17320.

Prime Factorization of 17315

Prime Factorization of 17320

Now multiplying the highest exponent prime factors to calculate the LCM of 17315 and 17320.

LCM(17315,17320) = 5¹ × 3463¹ × 2³ × 433¹
LCM(17315,17320) = 59979160