What is the Least Common Multiple of 18065 and 18070?

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 18065 and 18070 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18065 and 18070, than apply into the LCM equation.

GCF(18065,18070) = 5
LCM(18065,18070) = ( 18065 × 18070) / 5
LCM(18065,18070) = 326434550 / 5
LCM(18065,18070) = 65286910

Least Common Multiple (LCM) of 18065 and 18070 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18065 and 18070. First we will calculate the prime factors of 18065 and 18070.

Prime Factorization of 18065

Prime Factorization of 18070

Now multiplying the highest exponent prime factors to calculate the LCM of 18065 and 18070.

LCM(18065,18070) = 5¹ × 3613¹ × 2¹ × 13¹ × 139¹
LCM(18065,18070) = 65286910