What is the Least Common Multiple of 22111 and 22121?

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 22111 and 22121 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22111 and 22121, than apply into the LCM equation.

GCF(22111,22121) = 1
LCM(22111,22121) = ( 22111 × 22121) / 1
LCM(22111,22121) = 489117431 / 1
LCM(22111,22121) = 489117431

Least Common Multiple (LCM) of 22111 and 22121 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22111 and 22121. First we will calculate the prime factors of 22111 and 22121.

Prime Factorization of 22111

Prime Factorization of 22121

Now multiplying the highest exponent prime factors to calculate the LCM of 22111 and 22121.

LCM(22111,22121) = 22111¹ × 11¹ × 2011¹
LCM(22111,22121) = 489117431