What is the Least Common Multiple of 55415 and 55421?

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 55415 and 55421 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55415 and 55421, than apply into the LCM equation.

GCF(55415,55421) = 1
LCM(55415,55421) = ( 55415 × 55421) / 1
LCM(55415,55421) = 3071154715 / 1
LCM(55415,55421) = 3071154715

Least Common Multiple (LCM) of 55415 and 55421 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55415 and 55421. First we will calculate the prime factors of 55415 and 55421.

Prime Factorization of 55415

Prime Factorization of 55421

Now multiplying the highest exponent prime factors to calculate the LCM of 55415 and 55421.

LCM(55415,55421) = 5¹ × 11083¹ × 157¹ × 353¹
LCM(55415,55421) = 3071154715