What is the Least Common Multiple of 25565 and 25570?

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 25565 and 25570 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25565 and 25570, than apply into the LCM equation.

GCF(25565,25570) = 5
LCM(25565,25570) = ( 25565 × 25570) / 5
LCM(25565,25570) = 653697050 / 5
LCM(25565,25570) = 130739410

Least Common Multiple (LCM) of 25565 and 25570 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25565 and 25570. First we will calculate the prime factors of 25565 and 25570.

Prime Factorization of 25565

Prime Factorization of 25570

Now multiplying the highest exponent prime factors to calculate the LCM of 25565 and 25570.

LCM(25565,25570) = 5¹ × 5113¹ × 2¹ × 2557¹
LCM(25565,25570) = 130739410