What is the Least Common Multiple of 8543 and 8561?

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 8543 and 8561 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8543 and 8561, than apply into the LCM equation.

GCF(8543,8561) = 1
LCM(8543,8561) = ( 8543 × 8561) / 1
LCM(8543,8561) = 73136623 / 1
LCM(8543,8561) = 73136623

Least Common Multiple (LCM) of 8543 and 8561 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8543 and 8561. First we will calculate the prime factors of 8543 and 8561.

Prime Factorization of 8543

Prime Factorization of 8561

Now multiplying the highest exponent prime factors to calculate the LCM of 8543 and 8561.

LCM(8543,8561) = 8543¹ × 7¹ × 1223¹
LCM(8543,8561) = 73136623