What is the Least Common Multiple of 71573 and 71591?

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 71573 and 71591 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71573 and 71591, than apply into the LCM equation.

GCF(71573,71591) = 1
LCM(71573,71591) = ( 71573 × 71591) / 1
LCM(71573,71591) = 5123982643 / 1
LCM(71573,71591) = 5123982643

Least Common Multiple (LCM) of 71573 and 71591 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71573 and 71591. First we will calculate the prime factors of 71573 and 71591.

Prime Factorization of 71573

Prime Factorization of 71591

Now multiplying the highest exponent prime factors to calculate the LCM of 71573 and 71591.

LCM(71573,71591) = 19¹ × 3767¹ × 13¹ × 5507¹
LCM(71573,71591) = 5123982643