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What is the Least Common Multiple of 15847 and 15851?

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 15847 and 15851 is 251190797.

LCM(15847,15851) = 251190797

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Least Common Multiple of 15847 and 15851 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15847 and 15851, than apply into the LCM equation.

GCF(15847,15851) = 1
LCM(15847,15851) = ( 15847 × 15851) / 1
LCM(15847,15851) = 251190797 / 1
LCM(15847,15851) = 251190797

Least Common Multiple (LCM) of 15847 and 15851 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15847 and 15851. First we will calculate the prime factors of 15847 and 15851.

Prime Factorization of 15847

Prime factors of 15847 are 13, 23, 53. Prime factorization of 15847 in exponential form is:

15847 = 131 × 231 × 531

Prime Factorization of 15851

Prime factors of 15851 are 11, 131. Prime factorization of 15851 in exponential form is:

15851 = 112 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 15847 and 15851.

LCM(15847,15851) = 131 × 231 × 531 × 112 × 1311
LCM(15847,15851) = 251190797