What is the Least Common Multiple of 2457 and 2471?

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 2457 and 2471 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2457 and 2471, than apply into the LCM equation.

GCF(2457,2471) = 7
LCM(2457,2471) = ( 2457 × 2471) / 7
LCM(2457,2471) = 6071247 / 7
LCM(2457,2471) = 867321

Least Common Multiple (LCM) of 2457 and 2471 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2457 and 2471. First we will calculate the prime factors of 2457 and 2471.

Prime Factorization of 2457

Prime Factorization of 2471

Now multiplying the highest exponent prime factors to calculate the LCM of 2457 and 2471.

LCM(2457,2471) = 3³ × 7¹ × 13¹ × 353¹
LCM(2457,2471) = 867321