What is the Least Common Multiple of 22390 and 22403?

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 22403 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 22403, than apply into the LCM equation.

GCF(22390,22403) = 1
LCM(22390,22403) = ( 22390 × 22403) / 1
LCM(22390,22403) = 501603170 / 1
LCM(22390,22403) = 501603170

Least Common Multiple (LCM) of 22390 and 22403 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22390 and 22403. First we will calculate the prime factors of 22390 and 22403.

Prime Factorization of 22390

Prime Factorization of 22403

Now multiplying the highest exponent prime factors to calculate the LCM of 22390 and 22403.

LCM(22390,22403) = 2¹ × 5¹ × 2239¹ × 43¹ × 521¹
LCM(22390,22403) = 501603170