What is the Least Common Multiple of 15911 and 15919?

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 15911 and 15919 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15911 and 15919, than apply into the LCM equation.

GCF(15911,15919) = 1
LCM(15911,15919) = ( 15911 × 15919) / 1
LCM(15911,15919) = 253287209 / 1
LCM(15911,15919) = 253287209

Least Common Multiple (LCM) of 15911 and 15919 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15911 and 15919. First we will calculate the prime factors of 15911 and 15919.

Prime Factorization of 15911

Prime Factorization of 15919

Now multiplying the highest exponent prime factors to calculate the LCM of 15911 and 15919.

LCM(15911,15919) = 7¹ × 2273¹ × 15919¹
LCM(15911,15919) = 253287209