What is the Least Common Multiple of 25815 and 25819?

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 25815 and 25819 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25815 and 25819, than apply into the LCM equation.

GCF(25815,25819) = 1
LCM(25815,25819) = ( 25815 × 25819) / 1
LCM(25815,25819) = 666517485 / 1
LCM(25815,25819) = 666517485

Least Common Multiple (LCM) of 25815 and 25819 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25815 and 25819. First we will calculate the prime factors of 25815 and 25819.

Prime Factorization of 25815

Prime Factorization of 25819

Now multiplying the highest exponent prime factors to calculate the LCM of 25815 and 25819.

LCM(25815,25819) = 3¹ × 5¹ × 1721¹ × 25819¹
LCM(25815,25819) = 666517485