What is the Least Common Multiple of 18355 and 18361?

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 18355 and 18361 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18355 and 18361, than apply into the LCM equation.

GCF(18355,18361) = 1
LCM(18355,18361) = ( 18355 × 18361) / 1
LCM(18355,18361) = 337016155 / 1
LCM(18355,18361) = 337016155

Least Common Multiple (LCM) of 18355 and 18361 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18355 and 18361. First we will calculate the prime factors of 18355 and 18361.

Prime Factorization of 18355

Prime Factorization of 18361

Now multiplying the highest exponent prime factors to calculate the LCM of 18355 and 18361.

LCM(18355,18361) = 5¹ × 3671¹ × 7¹ × 43¹ × 61¹
LCM(18355,18361) = 337016155