What is the Least Common Multiple of 25570 and 25581?

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 25570 and 25581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25570 and 25581, than apply into the LCM equation.

GCF(25570,25581) = 1
LCM(25570,25581) = ( 25570 × 25581) / 1
LCM(25570,25581) = 654106170 / 1
LCM(25570,25581) = 654106170

Least Common Multiple (LCM) of 25570 and 25581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25570 and 25581. First we will calculate the prime factors of 25570 and 25581.

Prime Factorization of 25570

Prime Factorization of 25581

Now multiplying the highest exponent prime factors to calculate the LCM of 25570 and 25581.

LCM(25570,25581) = 2¹ × 5¹ × 2557¹ × 3¹ × 8527¹
LCM(25570,25581) = 654106170