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What is the Least Common Multiple of 18942 and 18950?

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 (LCM) of 18942 and 18950 is 179475450.

LCM(18942,18950) = 179475450

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Least Common Multiple of 18942 and 18950 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18942 and 18950, than apply into the LCM equation.

GCF(18942,18950) = 2
LCM(18942,18950) = ( 18942 × 18950) / 2
LCM(18942,18950) = 358950900 / 2
LCM(18942,18950) = 179475450

Least Common Multiple (LCM) of 18942 and 18950 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18942 and 18950. First we will calculate the prime factors of 18942 and 18950.

Prime Factorization of 18942

Prime factors of 18942 are 2, 3, 7, 11, 41. Prime factorization of 18942 in exponential form is:

18942 = 21 × 31 × 71 × 111 × 411

Prime Factorization of 18950

Prime factors of 18950 are 2, 5, 379. Prime factorization of 18950 in exponential form is:

18950 = 21 × 52 × 3791

Now multiplying the highest exponent prime factors to calculate the LCM of 18942 and 18950.

LCM(18942,18950) = 21 × 31 × 71 × 111 × 411 × 52 × 3791
LCM(18942,18950) = 179475450