What is the Least Common Multiple of 66615 and 66621?

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 66615 and 66621 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66615 and 66621, than apply into the LCM equation.

GCF(66615,66621) = 3
LCM(66615,66621) = ( 66615 × 66621) / 3
LCM(66615,66621) = 4437957915 / 3
LCM(66615,66621) = 1479319305

Least Common Multiple (LCM) of 66615 and 66621 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66615 and 66621. First we will calculate the prime factors of 66615 and 66621.

Prime Factorization of 66615

Prime Factorization of 66621

Now multiplying the highest exponent prime factors to calculate the LCM of 66615 and 66621.

LCM(66615,66621) = 3¹ × 5¹ × 4441¹ × 53¹ × 419¹
LCM(66615,66621) = 1479319305