What is the Least Common Multiple of 8109 and 8121?

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 8109 and 8121 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8109 and 8121, than apply into the LCM equation.

GCF(8109,8121) = 3
LCM(8109,8121) = ( 8109 × 8121) / 3
LCM(8109,8121) = 65853189 / 3
LCM(8109,8121) = 21951063

Least Common Multiple (LCM) of 8109 and 8121 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8109 and 8121. First we will calculate the prime factors of 8109 and 8121.

Prime Factorization of 8109

Prime Factorization of 8121

Now multiplying the highest exponent prime factors to calculate the LCM of 8109 and 8121.

LCM(8109,8121) = 3² × 17¹ × 53¹ × 2707¹
LCM(8109,8121) = 21951063