What is the Least Common Multiple of 8406 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 of 8406 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 8406 and 8418, than apply into the LCM equation.

GCF(8406,8418) = 6
LCM(8406,8418) = ( 8406 × 8418) / 6
LCM(8406,8418) = 70761708 / 6
LCM(8406,8418) = 11793618

Least Common Multiple (LCM) of 8406 and 8418 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8406 and 8418. First we will calculate the prime factors of 8406 and 8418.

Prime Factorization of 8406

Prime Factorization of 8418

Now multiplying the highest exponent prime factors to calculate the LCM of 8406 and 8418.

LCM(8406,8418) = 2¹ × 3² × 467¹ × 23¹ × 61¹
LCM(8406,8418) = 11793618