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What is the Least Common Multiple of 2560 and 2573?

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 2560 and 2573 is 6586880.

LCM(2560,2573) = 6586880

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Least Common Multiple of 2560 and 2573 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2560 and 2573, than apply into the LCM equation.

GCF(2560,2573) = 1
LCM(2560,2573) = ( 2560 × 2573) / 1
LCM(2560,2573) = 6586880 / 1
LCM(2560,2573) = 6586880

Least Common Multiple (LCM) of 2560 and 2573 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2560 and 2573. First we will calculate the prime factors of 2560 and 2573.

Prime Factorization of 2560

Prime factors of 2560 are 2, 5. Prime factorization of 2560 in exponential form is:

2560 = 29 × 51

Prime Factorization of 2573

Prime factors of 2573 are 31, 83. Prime factorization of 2573 in exponential form is:

2573 = 311 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 2560 and 2573.

LCM(2560,2573) = 29 × 51 × 311 × 831
LCM(2560,2573) = 6586880