What is the Least Common Multiple of 66505 and 66521?

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 66505 and 66521 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66505 and 66521, than apply into the LCM equation.

GCF(66505,66521) = 1
LCM(66505,66521) = ( 66505 × 66521) / 1
LCM(66505,66521) = 4423979105 / 1
LCM(66505,66521) = 4423979105

Least Common Multiple (LCM) of 66505 and 66521 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66505 and 66521. First we will calculate the prime factors of 66505 and 66521.

Prime Factorization of 66505

Prime Factorization of 66521

Now multiplying the highest exponent prime factors to calculate the LCM of 66505 and 66521.

LCM(66505,66521) = 5¹ × 47¹ × 283¹ × 7¹ × 13¹ × 17¹ × 43¹
LCM(66505,66521) = 4423979105