What is the Least Common Multiple of 17543 and 17563?

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 17543 and 17563 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17543 and 17563, than apply into the LCM equation.

GCF(17543,17563) = 1
LCM(17543,17563) = ( 17543 × 17563) / 1
LCM(17543,17563) = 308107709 / 1
LCM(17543,17563) = 308107709

Least Common Multiple (LCM) of 17543 and 17563 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17543 and 17563. First we will calculate the prime factors of 17543 and 17563.

Prime Factorization of 17543

Prime Factorization of 17563

Now multiplying the highest exponent prime factors to calculate the LCM of 17543 and 17563.

LCM(17543,17563) = 53¹ × 331¹ × 7¹ × 13¹ × 193¹
LCM(17543,17563) = 308107709