What is the Least Common Multiple of 18487 and 18507?

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 18487 and 18507 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18487 and 18507, than apply into the LCM equation.

GCF(18487,18507) = 1
LCM(18487,18507) = ( 18487 × 18507) / 1
LCM(18487,18507) = 342138909 / 1
LCM(18487,18507) = 342138909

Least Common Multiple (LCM) of 18487 and 18507 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18487 and 18507. First we will calculate the prime factors of 18487 and 18507.

Prime Factorization of 18487

Prime Factorization of 18507

Now multiplying the highest exponent prime factors to calculate the LCM of 18487 and 18507.

LCM(18487,18507) = 7¹ × 19¹ × 139¹ × 3¹ × 31¹ × 199¹
LCM(18487,18507) = 342138909