What is the Least Common Multiple of 22390 and 22406?

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 22390 and 22406 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22390 and 22406, than apply into the LCM equation.

GCF(22390,22406) = 2
LCM(22390,22406) = ( 22390 × 22406) / 2
LCM(22390,22406) = 501670340 / 2
LCM(22390,22406) = 250835170

Least Common Multiple (LCM) of 22390 and 22406 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22390 and 22406. First we will calculate the prime factors of 22390 and 22406.

Prime Factorization of 22390

Prime Factorization of 22406

Now multiplying the highest exponent prime factors to calculate the LCM of 22390 and 22406.

LCM(22390,22406) = 2¹ × 5¹ × 2239¹ × 17¹ × 659¹
LCM(22390,22406) = 250835170