GCF and LCM Calculator Logo

What is the Least Common Multiple of 55821 and 55838?

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 (LCM) of 55821 and 55838 is 3116932998.

LCM(55821,55838) = 3116932998

LCM Calculator and
and

Least Common Multiple of 55821 and 55838 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55821 and 55838, than apply into the LCM equation.

GCF(55821,55838) = 1
LCM(55821,55838) = ( 55821 × 55838) / 1
LCM(55821,55838) = 3116932998 / 1
LCM(55821,55838) = 3116932998

Least Common Multiple (LCM) of 55821 and 55838 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55821 and 55838. First we will calculate the prime factors of 55821 and 55838.

Prime Factorization of 55821

Prime factors of 55821 are 3, 23, 809. Prime factorization of 55821 in exponential form is:

55821 = 31 × 231 × 8091

Prime Factorization of 55838

Prime factors of 55838 are 2, 27919. Prime factorization of 55838 in exponential form is:

55838 = 21 × 279191

Now multiplying the highest exponent prime factors to calculate the LCM of 55821 and 55838.

LCM(55821,55838) = 31 × 231 × 8091 × 21 × 279191
LCM(55821,55838) = 3116932998