What is the Least Common Multiple of 40543 and 40561?

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 40543 and 40561 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40543 and 40561, than apply into the LCM equation.

GCF(40543,40561) = 1
LCM(40543,40561) = ( 40543 × 40561) / 1
LCM(40543,40561) = 1644464623 / 1
LCM(40543,40561) = 1644464623

Least Common Multiple (LCM) of 40543 and 40561 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40543 and 40561. First we will calculate the prime factors of 40543 and 40561.

Prime Factorization of 40543

Prime Factorization of 40561

Now multiplying the highest exponent prime factors to calculate the LCM of 40543 and 40561.

LCM(40543,40561) = 40543¹ × 47¹ × 863¹
LCM(40543,40561) = 1644464623