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What is the Least Common Multiple of 15901 and 15917?

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 15901 and 15917 is 253096217.

LCM(15901,15917) = 253096217

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Least Common Multiple of 15901 and 15917 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15901 and 15917, than apply into the LCM equation.

GCF(15901,15917) = 1
LCM(15901,15917) = ( 15901 × 15917) / 1
LCM(15901,15917) = 253096217 / 1
LCM(15901,15917) = 253096217

Least Common Multiple (LCM) of 15901 and 15917 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15901 and 15917. First we will calculate the prime factors of 15901 and 15917.

Prime Factorization of 15901

Prime factors of 15901 are 15901. Prime factorization of 15901 in exponential form is:

15901 = 159011

Prime Factorization of 15917

Prime factors of 15917 are 11, 1447. Prime factorization of 15917 in exponential form is:

15917 = 111 × 14471

Now multiplying the highest exponent prime factors to calculate the LCM of 15901 and 15917.

LCM(15901,15917) = 159011 × 111 × 14471
LCM(15901,15917) = 253096217