What is the Least Common Multiple of 82543 and 82561?

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 82543 and 82561 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82543 and 82561, than apply into the LCM equation.

GCF(82543,82561) = 1
LCM(82543,82561) = ( 82543 × 82561) / 1
LCM(82543,82561) = 6814832623 / 1
LCM(82543,82561) = 6814832623

Least Common Multiple (LCM) of 82543 and 82561 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82543 and 82561. First we will calculate the prime factors of 82543 and 82561.

Prime Factorization of 82543

Prime Factorization of 82561

Now multiplying the highest exponent prime factors to calculate the LCM of 82543 and 82561.

LCM(82543,82561) = 197¹ × 419¹ × 82561¹
LCM(82543,82561) = 6814832623