What is the Least Common Multiple of 25305 and 25309?

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 25305 and 25309 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25305 and 25309, than apply into the LCM equation.

GCF(25305,25309) = 1
LCM(25305,25309) = ( 25305 × 25309) / 1
LCM(25305,25309) = 640444245 / 1
LCM(25305,25309) = 640444245

Least Common Multiple (LCM) of 25305 and 25309 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25305 and 25309. First we will calculate the prime factors of 25305 and 25309.

Prime Factorization of 25305

Prime Factorization of 25309

Now multiplying the highest exponent prime factors to calculate the LCM of 25305 and 25309.

LCM(25305,25309) = 3¹ × 5¹ × 7¹ × 241¹ × 25309¹
LCM(25305,25309) = 640444245