What is the Least Common Multiple of 18563 and 18582?

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 18563 and 18582 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18563 and 18582, than apply into the LCM equation.

GCF(18563,18582) = 19
LCM(18563,18582) = ( 18563 × 18582) / 19
LCM(18563,18582) = 344937666 / 19
LCM(18563,18582) = 18154614

Least Common Multiple (LCM) of 18563 and 18582 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18563 and 18582. First we will calculate the prime factors of 18563 and 18582.

Prime Factorization of 18563

Prime Factorization of 18582

Now multiplying the highest exponent prime factors to calculate the LCM of 18563 and 18582.

LCM(18563,18582) = 19¹ × 977¹ × 2¹ × 3¹ × 163¹
LCM(18563,18582) = 18154614