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What is the Least Common Multiple of 17889 and 17900?

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 17889 and 17900 is 320213100.

LCM(17889,17900) = 320213100

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Least Common Multiple of 17889 and 17900 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17889 and 17900, than apply into the LCM equation.

GCF(17889,17900) = 1
LCM(17889,17900) = ( 17889 × 17900) / 1
LCM(17889,17900) = 320213100 / 1
LCM(17889,17900) = 320213100

Least Common Multiple (LCM) of 17889 and 17900 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17889 and 17900. First we will calculate the prime factors of 17889 and 17900.

Prime Factorization of 17889

Prime factors of 17889 are 3, 67, 89. Prime factorization of 17889 in exponential form is:

17889 = 31 × 671 × 891

Prime Factorization of 17900

Prime factors of 17900 are 2, 5, 179. Prime factorization of 17900 in exponential form is:

17900 = 22 × 52 × 1791

Now multiplying the highest exponent prime factors to calculate the LCM of 17889 and 17900.

LCM(17889,17900) = 31 × 671 × 891 × 22 × 52 × 1791
LCM(17889,17900) = 320213100