What is the Least Common Multiple of 66581 and 66587?

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 66581 and 66587 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66581 and 66587, than apply into the LCM equation.

GCF(66581,66587) = 1
LCM(66581,66587) = ( 66581 × 66587) / 1
LCM(66581,66587) = 4433429047 / 1
LCM(66581,66587) = 4433429047

Least Common Multiple (LCM) of 66581 and 66587 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66581 and 66587. First we will calculate the prime factors of 66581 and 66587.

Prime Factorization of 66581

Prime Factorization of 66587

Now multiplying the highest exponent prime factors to calculate the LCM of 66581 and 66587.

LCM(66581,66587) = 139¹ × 479¹ × 66587¹
LCM(66581,66587) = 4433429047