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What is the Least Common Multiple of 18998 and 19012?

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 18998 and 19012 is 25799284.

LCM(18998,19012) = 25799284

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Least Common Multiple of 18998 and 19012 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18998 and 19012, than apply into the LCM equation.

GCF(18998,19012) = 14
LCM(18998,19012) = ( 18998 × 19012) / 14
LCM(18998,19012) = 361189976 / 14
LCM(18998,19012) = 25799284

Least Common Multiple (LCM) of 18998 and 19012 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18998 and 19012. First we will calculate the prime factors of 18998 and 19012.

Prime Factorization of 18998

Prime factors of 18998 are 2, 7, 23, 59. Prime factorization of 18998 in exponential form is:

18998 = 21 × 71 × 231 × 591

Prime Factorization of 19012

Prime factors of 19012 are 2, 7, 97. Prime factorization of 19012 in exponential form is:

19012 = 22 × 72 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 18998 and 19012.

LCM(18998,19012) = 22 × 72 × 231 × 591 × 971
LCM(18998,19012) = 25799284