What is the Least Common Multiple of 12443 and 12455?

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 12443 and 12455 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12443 and 12455, than apply into the LCM equation.

GCF(12443,12455) = 1
LCM(12443,12455) = ( 12443 × 12455) / 1
LCM(12443,12455) = 154977565 / 1
LCM(12443,12455) = 154977565

Least Common Multiple (LCM) of 12443 and 12455 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12443 and 12455. First we will calculate the prime factors of 12443 and 12455.

Prime Factorization of 12443

Prime Factorization of 12455

Now multiplying the highest exponent prime factors to calculate the LCM of 12443 and 12455.

LCM(12443,12455) = 23¹ × 541¹ × 5¹ × 47¹ × 53¹
LCM(12443,12455) = 154977565