What is the Least Common Multiple of 11455 and 11471?

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 11455 and 11471 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11455 and 11471, than apply into the LCM equation.

GCF(11455,11471) = 1
LCM(11455,11471) = ( 11455 × 11471) / 1
LCM(11455,11471) = 131400305 / 1
LCM(11455,11471) = 131400305

Least Common Multiple (LCM) of 11455 and 11471 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11455 and 11471. First we will calculate the prime factors of 11455 and 11471.

Prime Factorization of 11455

Prime Factorization of 11471

Now multiplying the highest exponent prime factors to calculate the LCM of 11455 and 11471.

LCM(11455,11471) = 5¹ × 29¹ × 79¹ × 11471¹
LCM(11455,11471) = 131400305