What is the Least Common Multiple of 83543 and 83561?

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 83543 and 83561 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83543 and 83561, than apply into the LCM equation.

GCF(83543,83561) = 1
LCM(83543,83561) = ( 83543 × 83561) / 1
LCM(83543,83561) = 6980936623 / 1
LCM(83543,83561) = 6980936623

Least Common Multiple (LCM) of 83543 and 83561 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83543 and 83561. First we will calculate the prime factors of 83543 and 83561.

Prime Factorization of 83543

Prime Factorization of 83561

Now multiplying the highest exponent prime factors to calculate the LCM of 83543 and 83561.

LCM(83543,83561) = 19¹ × 4397¹ × 83561¹
LCM(83543,83561) = 6980936623