What is the Least Common Multiple of 67581 and 67591?

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 67581 and 67591 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67581 and 67591, than apply into the LCM equation.

GCF(67581,67591) = 1
LCM(67581,67591) = ( 67581 × 67591) / 1
LCM(67581,67591) = 4567867371 / 1
LCM(67581,67591) = 4567867371

Least Common Multiple (LCM) of 67581 and 67591 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67581 and 67591. First we will calculate the prime factors of 67581 and 67591.

Prime Factorization of 67581

Prime Factorization of 67591

Now multiplying the highest exponent prime factors to calculate the LCM of 67581 and 67591.

LCM(67581,67591) = 3³ × 2503¹ × 257¹ × 263¹
LCM(67581,67591) = 4567867371