What is the Least Common Multiple of 31811 and 31819?

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 31811 and 31819 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31811 and 31819, than apply into the LCM equation.

GCF(31811,31819) = 1
LCM(31811,31819) = ( 31811 × 31819) / 1
LCM(31811,31819) = 1012194209 / 1
LCM(31811,31819) = 1012194209

Least Common Multiple (LCM) of 31811 and 31819 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31811 and 31819. First we will calculate the prime factors of 31811 and 31819.

Prime Factorization of 31811

Prime Factorization of 31819

Now multiplying the highest exponent prime factors to calculate the LCM of 31811 and 31819.

LCM(31811,31819) = 13¹ × 2447¹ × 47¹ × 677¹
LCM(31811,31819) = 1012194209