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What is the Least Common Multiple of 15896 and 15908?

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 15896 and 15908 is 63218392.

LCM(15896,15908) = 63218392

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Least Common Multiple of 15896 and 15908 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15896 and 15908, than apply into the LCM equation.

GCF(15896,15908) = 4
LCM(15896,15908) = ( 15896 × 15908) / 4
LCM(15896,15908) = 252873568 / 4
LCM(15896,15908) = 63218392

Least Common Multiple (LCM) of 15896 and 15908 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15896 and 15908. First we will calculate the prime factors of 15896 and 15908.

Prime Factorization of 15896

Prime factors of 15896 are 2, 1987. Prime factorization of 15896 in exponential form is:

15896 = 23 × 19871

Prime Factorization of 15908

Prime factors of 15908 are 2, 41, 97. Prime factorization of 15908 in exponential form is:

15908 = 22 × 411 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 15896 and 15908.

LCM(15896,15908) = 23 × 19871 × 411 × 971
LCM(15896,15908) = 63218392