What is the Least Common Multiple of 18946 and 18958?

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 18946 and 18958 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18946 and 18958, than apply into the LCM equation.

GCF(18946,18958) = 2
LCM(18946,18958) = ( 18946 × 18958) / 2
LCM(18946,18958) = 359178268 / 2
LCM(18946,18958) = 179589134

Least Common Multiple (LCM) of 18946 and 18958 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18946 and 18958. First we will calculate the prime factors of 18946 and 18958.

Prime Factorization of 18946

Prime Factorization of 18958

Now multiplying the highest exponent prime factors to calculate the LCM of 18946 and 18958.

LCM(18946,18958) = 2¹ × 9473¹ × 9479¹
LCM(18946,18958) = 179589134