What is the Least Common Multiple of 18644 and 18653?

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 18644 and 18653 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18644 and 18653, than apply into the LCM equation.

GCF(18644,18653) = 1
LCM(18644,18653) = ( 18644 × 18653) / 1
LCM(18644,18653) = 347766532 / 1
LCM(18644,18653) = 347766532

Least Common Multiple (LCM) of 18644 and 18653 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18644 and 18653. First we will calculate the prime factors of 18644 and 18653.

Prime Factorization of 18644

Prime Factorization of 18653

Now multiplying the highest exponent prime factors to calculate the LCM of 18644 and 18653.

LCM(18644,18653) = 2² × 59¹ × 79¹ × 23¹ × 811¹
LCM(18644,18653) = 347766532