What is the Least Common Multiple of 66305 and 66309?

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 66305 and 66309 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66305 and 66309, than apply into the LCM equation.

GCF(66305,66309) = 1
LCM(66305,66309) = ( 66305 × 66309) / 1
LCM(66305,66309) = 4396618245 / 1
LCM(66305,66309) = 4396618245

Least Common Multiple (LCM) of 66305 and 66309 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66305 and 66309. First we will calculate the prime factors of 66305 and 66309.

Prime Factorization of 66305

Prime Factorization of 66309

Now multiplying the highest exponent prime factors to calculate the LCM of 66305 and 66309.

LCM(66305,66309) = 5¹ × 89¹ × 149¹ × 3¹ × 23¹ × 31²
LCM(66305,66309) = 4396618245