GCF and LCM Calculator Logo

What is the Least Common Multiple of 51821 and 51838?

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 51821 and 51838 is 2686296998.

LCM(51821,51838) = 2686296998

LCM Calculator and
and

Least Common Multiple of 51821 and 51838 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51821 and 51838, than apply into the LCM equation.

GCF(51821,51838) = 1
LCM(51821,51838) = ( 51821 × 51838) / 1
LCM(51821,51838) = 2686296998 / 1
LCM(51821,51838) = 2686296998

Least Common Multiple (LCM) of 51821 and 51838 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51821 and 51838. First we will calculate the prime factors of 51821 and 51838.

Prime Factorization of 51821

Prime factors of 51821 are 7, 11, 673. Prime factorization of 51821 in exponential form is:

51821 = 71 × 111 × 6731

Prime Factorization of 51838

Prime factors of 51838 are 2, 25919. Prime factorization of 51838 in exponential form is:

51838 = 21 × 259191

Now multiplying the highest exponent prime factors to calculate the LCM of 51821 and 51838.

LCM(51821,51838) = 71 × 111 × 6731 × 21 × 259191
LCM(51821,51838) = 2686296998