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What is the Least Common Multiple of 2568 and 2580?

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 2568 and 2580 is 552120.

LCM(2568,2580) = 552120

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Least Common Multiple of 2568 and 2580 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2568 and 2580, than apply into the LCM equation.

GCF(2568,2580) = 12
LCM(2568,2580) = ( 2568 × 2580) / 12
LCM(2568,2580) = 6625440 / 12
LCM(2568,2580) = 552120

Least Common Multiple (LCM) of 2568 and 2580 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2568 and 2580. First we will calculate the prime factors of 2568 and 2580.

Prime Factorization of 2568

Prime factors of 2568 are 2, 3, 107. Prime factorization of 2568 in exponential form is:

2568 = 23 × 31 × 1071

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

Now multiplying the highest exponent prime factors to calculate the LCM of 2568 and 2580.

LCM(2568,2580) = 23 × 31 × 1071 × 51 × 431
LCM(2568,2580) = 552120