What is the Least Common Multiple of 11821 and 11831?

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 11821 and 11831 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11821 and 11831, than apply into the LCM equation.

GCF(11821,11831) = 1
LCM(11821,11831) = ( 11821 × 11831) / 1
LCM(11821,11831) = 139854251 / 1
LCM(11821,11831) = 139854251

Least Common Multiple (LCM) of 11821 and 11831 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11821 and 11831. First we will calculate the prime factors of 11821 and 11831.

Prime Factorization of 11821

Prime Factorization of 11831

Now multiplying the highest exponent prime factors to calculate the LCM of 11821 and 11831.

LCM(11821,11831) = 11821¹ × 11831¹
LCM(11821,11831) = 139854251