What is the Least Common Multiple of 25855 and 25870?

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 25855 and 25870 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25855 and 25870, than apply into the LCM equation.

GCF(25855,25870) = 5
LCM(25855,25870) = ( 25855 × 25870) / 5
LCM(25855,25870) = 668868850 / 5
LCM(25855,25870) = 133773770

Least Common Multiple (LCM) of 25855 and 25870 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25855 and 25870. First we will calculate the prime factors of 25855 and 25870.

Prime Factorization of 25855

Prime Factorization of 25870

Now multiplying the highest exponent prime factors to calculate the LCM of 25855 and 25870.

LCM(25855,25870) = 5¹ × 5171¹ × 2¹ × 13¹ × 199¹
LCM(25855,25870) = 133773770