What is the Least Common Multiple of 18985 and 18995?

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 18985 and 18995 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18985 and 18995, than apply into the LCM equation.

GCF(18985,18995) = 5
LCM(18985,18995) = ( 18985 × 18995) / 5
LCM(18985,18995) = 360620075 / 5
LCM(18985,18995) = 72124015

Least Common Multiple (LCM) of 18985 and 18995 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18985 and 18995. First we will calculate the prime factors of 18985 and 18995.

Prime Factorization of 18985

Prime Factorization of 18995

Now multiplying the highest exponent prime factors to calculate the LCM of 18985 and 18995.

LCM(18985,18995) = 5¹ × 3797¹ × 29¹ × 131¹
LCM(18985,18995) = 72124015