What is the Least Common Multiple of 16938 and 16942?

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 16938 and 16942 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16938 and 16942, than apply into the LCM equation.

GCF(16938,16942) = 2
LCM(16938,16942) = ( 16938 × 16942) / 2
LCM(16938,16942) = 286963596 / 2
LCM(16938,16942) = 143481798

Least Common Multiple (LCM) of 16938 and 16942 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16938 and 16942. First we will calculate the prime factors of 16938 and 16942.

Prime Factorization of 16938

Prime Factorization of 16942

Now multiplying the highest exponent prime factors to calculate the LCM of 16938 and 16942.

LCM(16938,16942) = 2¹ × 3² × 941¹ × 43¹ × 197¹
LCM(16938,16942) = 143481798