What is the Least Common Multiple of 2290 and 2305?

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 2290 and 2305 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2290 and 2305, than apply into the LCM equation.

GCF(2290,2305) = 5
LCM(2290,2305) = ( 2290 × 2305) / 5
LCM(2290,2305) = 5278450 / 5
LCM(2290,2305) = 1055690

Least Common Multiple (LCM) of 2290 and 2305 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2290 and 2305. First we will calculate the prime factors of 2290 and 2305.

Prime Factorization of 2290

Prime Factorization of 2305

Now multiplying the highest exponent prime factors to calculate the LCM of 2290 and 2305.

LCM(2290,2305) = 2¹ × 5¹ × 229¹ × 461¹
LCM(2290,2305) = 1055690