What is the Least Common Multiple of 13121 and 13136?

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 13136 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 13136, than apply into the LCM equation.

GCF(13121,13136) = 1
LCM(13121,13136) = ( 13121 × 13136) / 1
LCM(13121,13136) = 172357456 / 1
LCM(13121,13136) = 172357456

Least Common Multiple (LCM) of 13121 and 13136 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13121 and 13136. First we will calculate the prime factors of 13121 and 13136.

Prime Factorization of 13121

Prime Factorization of 13136

Now multiplying the highest exponent prime factors to calculate the LCM of 13121 and 13136.

LCM(13121,13136) = 13121¹ × 2⁴ × 821¹
LCM(13121,13136) = 172357456