What is the Least Common Multiple of 22403 and 22407?

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 22403 and 22407 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22403 and 22407, than apply into the LCM equation.

GCF(22403,22407) = 1
LCM(22403,22407) = ( 22403 × 22407) / 1
LCM(22403,22407) = 501984021 / 1
LCM(22403,22407) = 501984021

Least Common Multiple (LCM) of 22403 and 22407 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22403 and 22407. First we will calculate the prime factors of 22403 and 22407.

Prime Factorization of 22403

Prime Factorization of 22407

Now multiplying the highest exponent prime factors to calculate the LCM of 22403 and 22407.

LCM(22403,22407) = 43¹ × 521¹ × 3¹ × 7¹ × 11¹ × 97¹
LCM(22403,22407) = 501984021