What is the Least Common Multiple of 25645 and 25665?

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 25645 and 25665 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25645 and 25665, than apply into the LCM equation.

GCF(25645,25665) = 5
LCM(25645,25665) = ( 25645 × 25665) / 5
LCM(25645,25665) = 658178925 / 5
LCM(25645,25665) = 131635785

Least Common Multiple (LCM) of 25645 and 25665 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25645 and 25665. First we will calculate the prime factors of 25645 and 25665.

Prime Factorization of 25645

Prime Factorization of 25665

Now multiplying the highest exponent prime factors to calculate the LCM of 25645 and 25665.

LCM(25645,25665) = 5¹ × 23¹ × 223¹ × 3¹ × 29¹ × 59¹
LCM(25645,25665) = 131635785