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What is the Least Common Multiple of 12580 and 12584?

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 12580 and 12584 is 39576680.

LCM(12580,12584) = 39576680

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Least Common Multiple of 12580 and 12584 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12580 and 12584, than apply into the LCM equation.

GCF(12580,12584) = 4
LCM(12580,12584) = ( 12580 × 12584) / 4
LCM(12580,12584) = 158306720 / 4
LCM(12580,12584) = 39576680

Least Common Multiple (LCM) of 12580 and 12584 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12580 and 12584. First we will calculate the prime factors of 12580 and 12584.

Prime Factorization of 12580

Prime factors of 12580 are 2, 5, 17, 37. Prime factorization of 12580 in exponential form is:

12580 = 22 × 51 × 171 × 371

Prime Factorization of 12584

Prime factors of 12584 are 2, 11, 13. Prime factorization of 12584 in exponential form is:

12584 = 23 × 112 × 131

Now multiplying the highest exponent prime factors to calculate the LCM of 12580 and 12584.

LCM(12580,12584) = 23 × 51 × 171 × 371 × 112 × 131
LCM(12580,12584) = 39576680