What is the Least Common Multiple of 66521 and 66530?

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 66521 and 66530 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66521 and 66530, than apply into the LCM equation.

GCF(66521,66530) = 1
LCM(66521,66530) = ( 66521 × 66530) / 1
LCM(66521,66530) = 4425642130 / 1
LCM(66521,66530) = 4425642130

Least Common Multiple (LCM) of 66521 and 66530 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66521 and 66530. First we will calculate the prime factors of 66521 and 66530.

Prime Factorization of 66521

Prime Factorization of 66530

Now multiplying the highest exponent prime factors to calculate the LCM of 66521 and 66530.

LCM(66521,66530) = 7¹ × 13¹ × 17¹ × 43¹ × 2¹ × 5¹ × 6653¹
LCM(66521,66530) = 4425642130