What is the Least Common Multiple of 18690 and 18698?

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 18698 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 18698, than apply into the LCM equation.

GCF(18690,18698) = 2
LCM(18690,18698) = ( 18690 × 18698) / 2
LCM(18690,18698) = 349465620 / 2
LCM(18690,18698) = 174732810

Least Common Multiple (LCM) of 18690 and 18698 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18690 and 18698. First we will calculate the prime factors of 18690 and 18698.

Prime Factorization of 18690

Prime Factorization of 18698

Now multiplying the highest exponent prime factors to calculate the LCM of 18690 and 18698.

LCM(18690,18698) = 2¹ × 3¹ × 5¹ × 7¹ × 89¹ × 9349¹
LCM(18690,18698) = 174732810