What is the Least Common Multiple of 83378 and 83390?

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 83378 and 83390 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83378 and 83390, than apply into the LCM equation.

GCF(83378,83390) = 2
LCM(83378,83390) = ( 83378 × 83390) / 2
LCM(83378,83390) = 6952891420 / 2
LCM(83378,83390) = 3476445710

Least Common Multiple (LCM) of 83378 and 83390 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83378 and 83390. First we will calculate the prime factors of 83378 and 83390.

Prime Factorization of 83378

Prime Factorization of 83390

Now multiplying the highest exponent prime factors to calculate the LCM of 83378 and 83390.

LCM(83378,83390) = 2¹ × 47¹ × 887¹ × 5¹ × 31¹ × 269¹
LCM(83378,83390) = 3476445710