What is the Least Common Multiple of 10540 and 10557?

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 10540 and 10557 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10540 and 10557, than apply into the LCM equation.

GCF(10540,10557) = 17
LCM(10540,10557) = ( 10540 × 10557) / 17
LCM(10540,10557) = 111270780 / 17
LCM(10540,10557) = 6545340

Least Common Multiple (LCM) of 10540 and 10557 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10540 and 10557. First we will calculate the prime factors of 10540 and 10557.

Prime Factorization of 10540

Prime Factorization of 10557

Now multiplying the highest exponent prime factors to calculate the LCM of 10540 and 10557.

LCM(10540,10557) = 2² × 5¹ × 17¹ × 31¹ × 3³ × 23¹
LCM(10540,10557) = 6545340