What is the Least Common Multiple of 8578 and 8591?

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 8578 and 8591 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8578 and 8591, than apply into the LCM equation.

GCF(8578,8591) = 1
LCM(8578,8591) = ( 8578 × 8591) / 1
LCM(8578,8591) = 73693598 / 1
LCM(8578,8591) = 73693598

Least Common Multiple (LCM) of 8578 and 8591 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8578 and 8591. First we will calculate the prime factors of 8578 and 8591.

Prime Factorization of 8578

Prime Factorization of 8591

Now multiplying the highest exponent prime factors to calculate the LCM of 8578 and 8591.

LCM(8578,8591) = 2¹ × 4289¹ × 11² × 71¹
LCM(8578,8591) = 73693598