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What is the Least Common Multiple of 15889 and 15897?

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 15889 and 15897 is 252587433.

LCM(15889,15897) = 252587433

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Least Common Multiple of 15889 and 15897 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15889 and 15897, than apply into the LCM equation.

GCF(15889,15897) = 1
LCM(15889,15897) = ( 15889 × 15897) / 1
LCM(15889,15897) = 252587433 / 1
LCM(15889,15897) = 252587433

Least Common Multiple (LCM) of 15889 and 15897 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15889 and 15897. First we will calculate the prime factors of 15889 and 15897.

Prime Factorization of 15889

Prime factors of 15889 are 15889. Prime factorization of 15889 in exponential form is:

15889 = 158891

Prime Factorization of 15897

Prime factors of 15897 are 3, 7, 757. Prime factorization of 15897 in exponential form is:

15897 = 31 × 71 × 7571

Now multiplying the highest exponent prime factors to calculate the LCM of 15889 and 15897.

LCM(15889,15897) = 158891 × 31 × 71 × 7571
LCM(15889,15897) = 252587433