What is the Least Common Multiple of 5160 and 5180?

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 5160 and 5180 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5160 and 5180, than apply into the LCM equation.

GCF(5160,5180) = 20
LCM(5160,5180) = ( 5160 × 5180) / 20
LCM(5160,5180) = 26728800 / 20
LCM(5160,5180) = 1336440

Least Common Multiple (LCM) of 5160 and 5180 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5160 and 5180. First we will calculate the prime factors of 5160 and 5180.

Prime Factorization of 5160

Prime Factorization of 5180

Now multiplying the highest exponent prime factors to calculate the LCM of 5160 and 5180.

LCM(5160,5180) = 2³ × 3¹ × 5¹ × 43¹ × 7¹ × 37¹
LCM(5160,5180) = 1336440