What is the Least Common Multiple of 55423 and 55442?

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 55423 and 55442 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55423 and 55442, than apply into the LCM equation.

GCF(55423,55442) = 19
LCM(55423,55442) = ( 55423 × 55442) / 19
LCM(55423,55442) = 3072761966 / 19
LCM(55423,55442) = 161724314

Least Common Multiple (LCM) of 55423 and 55442 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55423 and 55442. First we will calculate the prime factors of 55423 and 55442.

Prime Factorization of 55423

Prime Factorization of 55442

Now multiplying the highest exponent prime factors to calculate the LCM of 55423 and 55442.

LCM(55423,55442) = 19¹ × 2917¹ × 2¹ × 1459¹
LCM(55423,55442) = 161724314