GCF and LCM Calculator Logo

What is the Least Common Multiple of 22389 and 22399?

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 (LCM) of 22389 and 22399 is 501491211.

LCM(22389,22399) = 501491211

LCM Calculator and
and

Least Common Multiple of 22389 and 22399 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22389 and 22399, than apply into the LCM equation.

GCF(22389,22399) = 1
LCM(22389,22399) = ( 22389 × 22399) / 1
LCM(22389,22399) = 501491211 / 1
LCM(22389,22399) = 501491211

Least Common Multiple (LCM) of 22389 and 22399 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22389 and 22399. First we will calculate the prime factors of 22389 and 22399.

Prime Factorization of 22389

Prime factors of 22389 are 3, 17, 439. Prime factorization of 22389 in exponential form is:

22389 = 31 × 171 × 4391

Prime Factorization of 22399

Prime factors of 22399 are 13, 1723. Prime factorization of 22399 in exponential form is:

22399 = 131 × 17231

Now multiplying the highest exponent prime factors to calculate the LCM of 22389 and 22399.

LCM(22389,22399) = 31 × 171 × 4391 × 131 × 17231
LCM(22389,22399) = 501491211