What is the Least Common Multiple of 2115 and 2119?

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 2115 and 2119 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2115 and 2119, than apply into the LCM equation.

GCF(2115,2119) = 1
LCM(2115,2119) = ( 2115 × 2119) / 1
LCM(2115,2119) = 4481685 / 1
LCM(2115,2119) = 4481685

Least Common Multiple (LCM) of 2115 and 2119 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2115 and 2119. First we will calculate the prime factors of 2115 and 2119.

Prime Factorization of 2115

Prime Factorization of 2119

Now multiplying the highest exponent prime factors to calculate the LCM of 2115 and 2119.

LCM(2115,2119) = 3² × 5¹ × 47¹ × 13¹ × 163¹
LCM(2115,2119) = 4481685