What is the Least Common Multiple of 15121 and 15139?

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 15121 and 15139 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15121 and 15139, than apply into the LCM equation.

GCF(15121,15139) = 1
LCM(15121,15139) = ( 15121 × 15139) / 1
LCM(15121,15139) = 228916819 / 1
LCM(15121,15139) = 228916819

Least Common Multiple (LCM) of 15121 and 15139 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15121 and 15139. First we will calculate the prime factors of 15121 and 15139.

Prime Factorization of 15121

Prime Factorization of 15139

Now multiplying the highest exponent prime factors to calculate the LCM of 15121 and 15139.

LCM(15121,15139) = 15121¹ × 15139¹
LCM(15121,15139) = 228916819