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What is the Least Common Multiple of 2580 and 2588?

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 2580 and 2588 is 1669260.

LCM(2580,2588) = 1669260

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Least Common Multiple of 2580 and 2588 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2580 and 2588, than apply into the LCM equation.

GCF(2580,2588) = 4
LCM(2580,2588) = ( 2580 × 2588) / 4
LCM(2580,2588) = 6677040 / 4
LCM(2580,2588) = 1669260

Least Common Multiple (LCM) of 2580 and 2588 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2580 and 2588. First we will calculate the prime factors of 2580 and 2588.

Prime Factorization of 2580

Prime factors of 2580 are 2, 3, 5, 43. Prime factorization of 2580 in exponential form is:

2580 = 22 × 31 × 51 × 431

Prime Factorization of 2588

Prime factors of 2588 are 2, 647. Prime factorization of 2588 in exponential form is:

2588 = 22 × 6471

Now multiplying the highest exponent prime factors to calculate the LCM of 2580 and 2588.

LCM(2580,2588) = 22 × 31 × 51 × 431 × 6471
LCM(2580,2588) = 1669260