What is the Least Common Multiple of 2243 and 2261?

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 2243 and 2261 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2243 and 2261, than apply into the LCM equation.

GCF(2243,2261) = 1
LCM(2243,2261) = ( 2243 × 2261) / 1
LCM(2243,2261) = 5071423 / 1
LCM(2243,2261) = 5071423

Least Common Multiple (LCM) of 2243 and 2261 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2243 and 2261. First we will calculate the prime factors of 2243 and 2261.

Prime Factorization of 2243

Prime Factorization of 2261

Now multiplying the highest exponent prime factors to calculate the LCM of 2243 and 2261.

LCM(2243,2261) = 2243¹ × 7¹ × 17¹ × 19¹
LCM(2243,2261) = 5071423