What is the Least Common Multiple of 71521 and 71541?

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 71521 and 71541 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71521 and 71541, than apply into the LCM equation.

GCF(71521,71541) = 1
LCM(71521,71541) = ( 71521 × 71541) / 1
LCM(71521,71541) = 5116683861 / 1
LCM(71521,71541) = 5116683861

Least Common Multiple (LCM) of 71521 and 71541 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71521 and 71541. First we will calculate the prime factors of 71521 and 71541.

Prime Factorization of 71521

Prime Factorization of 71541

Now multiplying the highest exponent prime factors to calculate the LCM of 71521 and 71541.

LCM(71521,71541) = 37¹ × 1933¹ × 3² × 7949¹
LCM(71521,71541) = 5116683861