What is the Least Common Multiple of 31787 and 31806?

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 31787 and 31806 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31787 and 31806, than apply into the LCM equation.

GCF(31787,31806) = 19
LCM(31787,31806) = ( 31787 × 31806) / 19
LCM(31787,31806) = 1011017322 / 19
LCM(31787,31806) = 53211438

Least Common Multiple (LCM) of 31787 and 31806 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31787 and 31806. First we will calculate the prime factors of 31787 and 31806.

Prime Factorization of 31787

Prime Factorization of 31806

Now multiplying the highest exponent prime factors to calculate the LCM of 31787 and 31806.

LCM(31787,31806) = 7¹ × 19¹ × 239¹ × 2¹ × 3³ × 31¹
LCM(31787,31806) = 53211438