GCF and LCM Calculator Logo

What is the Least Common Multiple of 6605 and 6621?

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 (LCM) of 6605 and 6621 is 43731705.

LCM(6605,6621) = 43731705

LCM Calculator and
and

Least Common Multiple of 6605 and 6621 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6605 and 6621, than apply into the LCM equation.

GCF(6605,6621) = 1
LCM(6605,6621) = ( 6605 × 6621) / 1
LCM(6605,6621) = 43731705 / 1
LCM(6605,6621) = 43731705

Least Common Multiple (LCM) of 6605 and 6621 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6605 and 6621. First we will calculate the prime factors of 6605 and 6621.

Prime Factorization of 6605

Prime factors of 6605 are 5, 1321. Prime factorization of 6605 in exponential form is:

6605 = 51 × 13211

Prime Factorization of 6621

Prime factors of 6621 are 3, 2207. Prime factorization of 6621 in exponential form is:

6621 = 31 × 22071

Now multiplying the highest exponent prime factors to calculate the LCM of 6605 and 6621.

LCM(6605,6621) = 51 × 13211 × 31 × 22071
LCM(6605,6621) = 43731705