What is the Least Common Multiple of 31782 and 31787?

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 31782 and 31787 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31782 and 31787, than apply into the LCM equation.

GCF(31782,31787) = 1
LCM(31782,31787) = ( 31782 × 31787) / 1
LCM(31782,31787) = 1010254434 / 1
LCM(31782,31787) = 1010254434

Least Common Multiple (LCM) of 31782 and 31787 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31782 and 31787. First we will calculate the prime factors of 31782 and 31787.

Prime Factorization of 31782

Prime Factorization of 31787

Now multiplying the highest exponent prime factors to calculate the LCM of 31782 and 31787.

LCM(31782,31787) = 2¹ × 3¹ × 5297¹ × 7¹ × 19¹ × 239¹
LCM(31782,31787) = 1010254434