What is the Least Common Multiple of 2245 and 2255?

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 2245 and 2255 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2245 and 2255, than apply into the LCM equation.

GCF(2245,2255) = 5
LCM(2245,2255) = ( 2245 × 2255) / 5
LCM(2245,2255) = 5062475 / 5
LCM(2245,2255) = 1012495

Least Common Multiple (LCM) of 2245 and 2255 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2245 and 2255. First we will calculate the prime factors of 2245 and 2255.

Prime Factorization of 2245

Prime Factorization of 2255

Now multiplying the highest exponent prime factors to calculate the LCM of 2245 and 2255.

LCM(2245,2255) = 5¹ × 449¹ × 11¹ × 41¹
LCM(2245,2255) = 1012495