What is the Least Common Multiple of 8381 and 8389?

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 8381 and 8389 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8381 and 8389, than apply into the LCM equation.

GCF(8381,8389) = 1
LCM(8381,8389) = ( 8381 × 8389) / 1
LCM(8381,8389) = 70308209 / 1
LCM(8381,8389) = 70308209

Least Common Multiple (LCM) of 8381 and 8389 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8381 and 8389. First we will calculate the prime factors of 8381 and 8389.

Prime Factorization of 8381

Prime Factorization of 8389

Now multiplying the highest exponent prime factors to calculate the LCM of 8381 and 8389.

LCM(8381,8389) = 17² × 29¹ × 8389¹
LCM(8381,8389) = 70308209