What is the Least Common Multiple of 55783 and 55789?

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 55783 and 55789 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55783 and 55789, than apply into the LCM equation.

GCF(55783,55789) = 1
LCM(55783,55789) = ( 55783 × 55789) / 1
LCM(55783,55789) = 3112077787 / 1
LCM(55783,55789) = 3112077787

Least Common Multiple (LCM) of 55783 and 55789 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55783 and 55789. First we will calculate the prime factors of 55783 and 55789.

Prime Factorization of 55783

Prime Factorization of 55789

Now multiplying the highest exponent prime factors to calculate the LCM of 55783 and 55789.

LCM(55783,55789) = 7¹ × 13¹ × 613¹ × 47¹ × 1187¹
LCM(55783,55789) = 3112077787