What is the Least Common Multiple of 7457 and 7471?

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 7457 and 7471 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7457 and 7471, than apply into the LCM equation.

GCF(7457,7471) = 1
LCM(7457,7471) = ( 7457 × 7471) / 1
LCM(7457,7471) = 55711247 / 1
LCM(7457,7471) = 55711247

Least Common Multiple (LCM) of 7457 and 7471 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7457 and 7471. First we will calculate the prime factors of 7457 and 7471.

Prime Factorization of 7457

Prime Factorization of 7471

Now multiplying the highest exponent prime factors to calculate the LCM of 7457 and 7471.

LCM(7457,7471) = 7457¹ × 31¹ × 241¹
LCM(7457,7471) = 55711247