What is the Least Common Multiple of 5140 and 5160?

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 5140 and 5160 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5140 and 5160, than apply into the LCM equation.

GCF(5140,5160) = 20
LCM(5140,5160) = ( 5140 × 5160) / 20
LCM(5140,5160) = 26522400 / 20
LCM(5140,5160) = 1326120

Least Common Multiple (LCM) of 5140 and 5160 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5140 and 5160. First we will calculate the prime factors of 5140 and 5160.

Prime Factorization of 5140

Prime Factorization of 5160

Now multiplying the highest exponent prime factors to calculate the LCM of 5140 and 5160.

LCM(5140,5160) = 2³ × 5¹ × 257¹ × 3¹ × 43¹
LCM(5140,5160) = 1326120