What is the Least Common Multiple of 55281 and 55289?

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 55281 and 55289 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55281 and 55289, than apply into the LCM equation.

GCF(55281,55289) = 1
LCM(55281,55289) = ( 55281 × 55289) / 1
LCM(55281,55289) = 3056431209 / 1
LCM(55281,55289) = 3056431209

Least Common Multiple (LCM) of 55281 and 55289 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55281 and 55289. First we will calculate the prime factors of 55281 and 55289.

Prime Factorization of 55281

Prime Factorization of 55289

Now multiplying the highest exponent prime factors to calculate the LCM of 55281 and 55289.

LCM(55281,55289) = 3¹ × 18427¹ × 13¹ × 4253¹
LCM(55281,55289) = 3056431209