What is the Least Common Multiple of 18922 and 18942?

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 18922 and 18942 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18922 and 18942, than apply into the LCM equation.

GCF(18922,18942) = 2
LCM(18922,18942) = ( 18922 × 18942) / 2
LCM(18922,18942) = 358420524 / 2
LCM(18922,18942) = 179210262

Least Common Multiple (LCM) of 18922 and 18942 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18922 and 18942. First we will calculate the prime factors of 18922 and 18942.

Prime Factorization of 18922

Prime Factorization of 18942

Now multiplying the highest exponent prime factors to calculate the LCM of 18922 and 18942.

LCM(18922,18942) = 2¹ × 9461¹ × 3¹ × 7¹ × 11¹ × 41¹
LCM(18922,18942) = 179210262