What is the Least Common Multiple of 55421 and 55431?

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 55421 and 55431 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55421 and 55431, than apply into the LCM equation.

GCF(55421,55431) = 1
LCM(55421,55431) = ( 55421 × 55431) / 1
LCM(55421,55431) = 3072041451 / 1
LCM(55421,55431) = 3072041451

Least Common Multiple (LCM) of 55421 and 55431 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55421 and 55431. First we will calculate the prime factors of 55421 and 55431.

Prime Factorization of 55421

Prime Factorization of 55431

Now multiplying the highest exponent prime factors to calculate the LCM of 55421 and 55431.

LCM(55421,55431) = 157¹ × 353¹ × 3³ × 2053¹
LCM(55421,55431) = 3072041451