GCF and LCM Calculator Logo

What is the Least Common Multiple of 31847 and 31857?

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 31847 and 31857 is 1014549879.

LCM(31847,31857) = 1014549879

LCM Calculator and
and

Least Common Multiple of 31847 and 31857 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31847 and 31857, than apply into the LCM equation.

GCF(31847,31857) = 1
LCM(31847,31857) = ( 31847 × 31857) / 1
LCM(31847,31857) = 1014549879 / 1
LCM(31847,31857) = 1014549879

Least Common Multiple (LCM) of 31847 and 31857 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31847 and 31857. First we will calculate the prime factors of 31847 and 31857.

Prime Factorization of 31847

Prime factors of 31847 are 31847. Prime factorization of 31847 in exponential form is:

31847 = 318471

Prime Factorization of 31857

Prime factors of 31857 are 3, 7, 37, 41. Prime factorization of 31857 in exponential form is:

31857 = 31 × 71 × 371 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 31847 and 31857.

LCM(31847,31857) = 318471 × 31 × 71 × 371 × 411
LCM(31847,31857) = 1014549879