What is the Least Common Multiple of 25439 and 25457?

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 25439 and 25457 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25439 and 25457, than apply into the LCM equation.

GCF(25439,25457) = 1
LCM(25439,25457) = ( 25439 × 25457) / 1
LCM(25439,25457) = 647600623 / 1
LCM(25439,25457) = 647600623

Least Common Multiple (LCM) of 25439 and 25457 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25439 and 25457. First we will calculate the prime factors of 25439 and 25457.

Prime Factorization of 25439

Prime Factorization of 25457

Now multiplying the highest exponent prime factors to calculate the LCM of 25439 and 25457.

LCM(25439,25457) = 25439¹ × 25457¹
LCM(25439,25457) = 647600623