What is the Least Common Multiple of 81331 and 81343?

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 81331 and 81343 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81331 and 81343, than apply into the LCM equation.

GCF(81331,81343) = 1
LCM(81331,81343) = ( 81331 × 81343) / 1
LCM(81331,81343) = 6615707533 / 1
LCM(81331,81343) = 6615707533

Least Common Multiple (LCM) of 81331 and 81343 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81331 and 81343. First we will calculate the prime factors of 81331 and 81343.

Prime Factorization of 81331

Prime Factorization of 81343

Now multiplying the highest exponent prime factors to calculate the LCM of 81331 and 81343.

LCM(81331,81343) = 81331¹ × 81343¹
LCM(81331,81343) = 6615707533