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What is the Least Common Multiple of 2876 and 2880?

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 2876 and 2880 is 2070720.

LCM(2876,2880) = 2070720

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Least Common Multiple of 2876 and 2880 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2876 and 2880, than apply into the LCM equation.

GCF(2876,2880) = 4
LCM(2876,2880) = ( 2876 × 2880) / 4
LCM(2876,2880) = 8282880 / 4
LCM(2876,2880) = 2070720

Least Common Multiple (LCM) of 2876 and 2880 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2876 and 2880. First we will calculate the prime factors of 2876 and 2880.

Prime Factorization of 2876

Prime factors of 2876 are 2, 719. Prime factorization of 2876 in exponential form is:

2876 = 22 × 7191

Prime Factorization of 2880

Prime factors of 2880 are 2, 3, 5. Prime factorization of 2880 in exponential form is:

2880 = 26 × 32 × 51

Now multiplying the highest exponent prime factors to calculate the LCM of 2876 and 2880.

LCM(2876,2880) = 26 × 7191 × 32 × 51
LCM(2876,2880) = 2070720