What is the Least Common Multiple of 13121 and 13139?

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 13121 and 13139 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13121 and 13139, than apply into the LCM equation.

GCF(13121,13139) = 1
LCM(13121,13139) = ( 13121 × 13139) / 1
LCM(13121,13139) = 172396819 / 1
LCM(13121,13139) = 172396819

Least Common Multiple (LCM) of 13121 and 13139 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13121 and 13139. First we will calculate the prime factors of 13121 and 13139.

Prime Factorization of 13121

Prime Factorization of 13139

Now multiplying the highest exponent prime factors to calculate the LCM of 13121 and 13139.

LCM(13121,13139) = 13121¹ × 7¹ × 1877¹
LCM(13121,13139) = 172396819