What is the Least Common Multiple of 18160 and 18165?

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 18160 and 18165 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18160 and 18165, than apply into the LCM equation.

GCF(18160,18165) = 5
LCM(18160,18165) = ( 18160 × 18165) / 5
LCM(18160,18165) = 329876400 / 5
LCM(18160,18165) = 65975280

Least Common Multiple (LCM) of 18160 and 18165 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18160 and 18165. First we will calculate the prime factors of 18160 and 18165.

Prime Factorization of 18160

Prime Factorization of 18165

Now multiplying the highest exponent prime factors to calculate the LCM of 18160 and 18165.

LCM(18160,18165) = 2⁴ × 5¹ × 227¹ × 3¹ × 7¹ × 173¹
LCM(18160,18165) = 65975280