What is the Least Common Multiple of 25845 and 25860?

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 25845 and 25860 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25845 and 25860, than apply into the LCM equation.

GCF(25845,25860) = 15
LCM(25845,25860) = ( 25845 × 25860) / 15
LCM(25845,25860) = 668351700 / 15
LCM(25845,25860) = 44556780

Least Common Multiple (LCM) of 25845 and 25860 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25845 and 25860. First we will calculate the prime factors of 25845 and 25860.

Prime Factorization of 25845

Prime Factorization of 25860

Now multiplying the highest exponent prime factors to calculate the LCM of 25845 and 25860.

LCM(25845,25860) = 3¹ × 5¹ × 1723¹ × 2² × 431¹
LCM(25845,25860) = 44556780