GCF and LCM Calculator Logo

What is the Least Common Multiple of 8409 and 8418?

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 8409 and 8418 is 23595654.

LCM(8409,8418) = 23595654

LCM Calculator and
and

Least Common Multiple of 8409 and 8418 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8409 and 8418, than apply into the LCM equation.

GCF(8409,8418) = 3
LCM(8409,8418) = ( 8409 × 8418) / 3
LCM(8409,8418) = 70786962 / 3
LCM(8409,8418) = 23595654

Least Common Multiple (LCM) of 8409 and 8418 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8409 and 8418. First we will calculate the prime factors of 8409 and 8418.

Prime Factorization of 8409

Prime factors of 8409 are 3, 2803. Prime factorization of 8409 in exponential form is:

8409 = 31 × 28031

Prime Factorization of 8418

Prime factors of 8418 are 2, 3, 23, 61. Prime factorization of 8418 in exponential form is:

8418 = 21 × 31 × 231 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 8409 and 8418.

LCM(8409,8418) = 31 × 28031 × 21 × 231 × 611
LCM(8409,8418) = 23595654