What is the Least Common Multiple of 8143 and 8161?

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 8143 and 8161 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8143 and 8161, than apply into the LCM equation.

GCF(8143,8161) = 1
LCM(8143,8161) = ( 8143 × 8161) / 1
LCM(8143,8161) = 66455023 / 1
LCM(8143,8161) = 66455023

Least Common Multiple (LCM) of 8143 and 8161 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8143 and 8161. First we will calculate the prime factors of 8143 and 8161.

Prime Factorization of 8143

Prime Factorization of 8161

Now multiplying the highest exponent prime factors to calculate the LCM of 8143 and 8161.

LCM(8143,8161) = 17¹ × 479¹ × 8161¹
LCM(8143,8161) = 66455023