What is the Least Common Multiple of 12721 and 12741?

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 12721 and 12741 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12721 and 12741, than apply into the LCM equation.

GCF(12721,12741) = 1
LCM(12721,12741) = ( 12721 × 12741) / 1
LCM(12721,12741) = 162078261 / 1
LCM(12721,12741) = 162078261

Least Common Multiple (LCM) of 12721 and 12741 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12721 and 12741. First we will calculate the prime factors of 12721 and 12741.

Prime Factorization of 12721

Prime Factorization of 12741

Now multiplying the highest exponent prime factors to calculate the LCM of 12721 and 12741.

LCM(12721,12741) = 12721¹ × 3¹ × 31¹ × 137¹
LCM(12721,12741) = 162078261