What is the Least Common Multiple of 71541 and 71559?

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 71541 and 71559 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71541 and 71559, than apply into the LCM equation.

GCF(71541,71559) = 9
LCM(71541,71559) = ( 71541 × 71559) / 9
LCM(71541,71559) = 5119402419 / 9
LCM(71541,71559) = 568822491

Least Common Multiple (LCM) of 71541 and 71559 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71541 and 71559. First we will calculate the prime factors of 71541 and 71559.

Prime Factorization of 71541

Prime Factorization of 71559

Now multiplying the highest exponent prime factors to calculate the LCM of 71541 and 71559.

LCM(71541,71559) = 3² × 7949¹ × 7951¹
LCM(71541,71559) = 568822491