What is the Least Common Multiple of 22290 and 22309?

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 22290 and 22309 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22290 and 22309, than apply into the LCM equation.

GCF(22290,22309) = 1
LCM(22290,22309) = ( 22290 × 22309) / 1
LCM(22290,22309) = 497267610 / 1
LCM(22290,22309) = 497267610

Least Common Multiple (LCM) of 22290 and 22309 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22290 and 22309. First we will calculate the prime factors of 22290 and 22309.

Prime Factorization of 22290

Prime Factorization of 22309

Now multiplying the highest exponent prime factors to calculate the LCM of 22290 and 22309.

LCM(22290,22309) = 2¹ × 3¹ × 5¹ × 743¹ × 7¹ × 3187¹
LCM(22290,22309) = 497267610