What is the Least Common Multiple of 5109 and 5115?

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 5109 and 5115 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5109 and 5115, than apply into the LCM equation.

GCF(5109,5115) = 3
LCM(5109,5115) = ( 5109 × 5115) / 3
LCM(5109,5115) = 26132535 / 3
LCM(5109,5115) = 8710845

Least Common Multiple (LCM) of 5109 and 5115 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5109 and 5115. First we will calculate the prime factors of 5109 and 5115.

Prime Factorization of 5109

Prime Factorization of 5115

Now multiplying the highest exponent prime factors to calculate the LCM of 5109 and 5115.

LCM(5109,5115) = 3¹ × 13¹ × 131¹ × 5¹ × 11¹ × 31¹
LCM(5109,5115) = 8710845