What is the Least Common Multiple of 25805 and 25809?

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 25805 and 25809 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25805 and 25809, than apply into the LCM equation.

GCF(25805,25809) = 1
LCM(25805,25809) = ( 25805 × 25809) / 1
LCM(25805,25809) = 666001245 / 1
LCM(25805,25809) = 666001245

Least Common Multiple (LCM) of 25805 and 25809 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25805 and 25809. First we will calculate the prime factors of 25805 and 25809.

Prime Factorization of 25805

Prime Factorization of 25809

Now multiplying the highest exponent prime factors to calculate the LCM of 25805 and 25809.

LCM(25805,25809) = 5¹ × 13¹ × 397¹ × 3¹ × 7¹ × 1229¹
LCM(25805,25809) = 666001245