What is the Least Common Multiple of 18109 and 18113?

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 18109 and 18113 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18109 and 18113, than apply into the LCM equation.

GCF(18109,18113) = 1
LCM(18109,18113) = ( 18109 × 18113) / 1
LCM(18109,18113) = 328008317 / 1
LCM(18109,18113) = 328008317

Least Common Multiple (LCM) of 18109 and 18113 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18109 and 18113. First we will calculate the prime factors of 18109 and 18113.

Prime Factorization of 18109

Prime Factorization of 18113

Now multiplying the highest exponent prime factors to calculate the LCM of 18109 and 18113.

LCM(18109,18113) = 7¹ × 13¹ × 199¹ × 59¹ × 307¹
LCM(18109,18113) = 328008317