What is the Least Common Multiple of 55289 and 55309?

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 55289 and 55309 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55289 and 55309, than apply into the LCM equation.

GCF(55289,55309) = 1
LCM(55289,55309) = ( 55289 × 55309) / 1
LCM(55289,55309) = 3057979301 / 1
LCM(55289,55309) = 3057979301

Least Common Multiple (LCM) of 55289 and 55309 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55289 and 55309. First we will calculate the prime factors of 55289 and 55309.

Prime Factorization of 55289

Prime Factorization of 55309

Now multiplying the highest exponent prime factors to calculate the LCM of 55289 and 55309.

LCM(55289,55309) = 13¹ × 4253¹ × 19¹ × 41¹ × 71¹
LCM(55289,55309) = 3057979301