What is the Least Common Multiple of 8121 and 8139?

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 8121 and 8139 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8121 and 8139, than apply into the LCM equation.

GCF(8121,8139) = 3
LCM(8121,8139) = ( 8121 × 8139) / 3
LCM(8121,8139) = 66096819 / 3
LCM(8121,8139) = 22032273

Least Common Multiple (LCM) of 8121 and 8139 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8121 and 8139. First we will calculate the prime factors of 8121 and 8139.

Prime Factorization of 8121

Prime Factorization of 8139

Now multiplying the highest exponent prime factors to calculate the LCM of 8121 and 8139.

LCM(8121,8139) = 3¹ × 2707¹ × 2713¹
LCM(8121,8139) = 22032273