What is the Least Common Multiple of 18690 and 18695?

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 18690 and 18695 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18690 and 18695, than apply into the LCM equation.

GCF(18690,18695) = 5
LCM(18690,18695) = ( 18690 × 18695) / 5
LCM(18690,18695) = 349409550 / 5
LCM(18690,18695) = 69881910

Least Common Multiple (LCM) of 18690 and 18695 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18690 and 18695. First we will calculate the prime factors of 18690 and 18695.

Prime Factorization of 18690

Prime Factorization of 18695

Now multiplying the highest exponent prime factors to calculate the LCM of 18690 and 18695.

LCM(18690,18695) = 2¹ × 3¹ × 5¹ × 7¹ × 89¹ × 3739¹
LCM(18690,18695) = 69881910