What is the Least Common Multiple of 18289 and 18305?

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 18289 and 18305 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18289 and 18305, than apply into the LCM equation.

GCF(18289,18305) = 1
LCM(18289,18305) = ( 18289 × 18305) / 1
LCM(18289,18305) = 334780145 / 1
LCM(18289,18305) = 334780145

Least Common Multiple (LCM) of 18289 and 18305 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18289 and 18305. First we will calculate the prime factors of 18289 and 18305.

Prime Factorization of 18289

Prime Factorization of 18305

Now multiplying the highest exponent prime factors to calculate the LCM of 18289 and 18305.

LCM(18289,18305) = 18289¹ × 5¹ × 7¹ × 523¹
LCM(18289,18305) = 334780145