What is the Least Common Multiple of 23491 and 23509?

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 23491 and 23509 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23491 and 23509, than apply into the LCM equation.

GCF(23491,23509) = 1
LCM(23491,23509) = ( 23491 × 23509) / 1
LCM(23491,23509) = 552249919 / 1
LCM(23491,23509) = 552249919

Least Common Multiple (LCM) of 23491 and 23509 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23491 and 23509. First we will calculate the prime factors of 23491 and 23509.

Prime Factorization of 23491

Prime Factorization of 23509

Now multiplying the highest exponent prime factors to calculate the LCM of 23491 and 23509.

LCM(23491,23509) = 13² × 139¹ × 23509¹
LCM(23491,23509) = 552249919