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What is the Least Common Multiple of 2865 and 2879?

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 2865 and 2879 is 8248335.

LCM(2865,2879) = 8248335

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Least Common Multiple of 2865 and 2879 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2865 and 2879, than apply into the LCM equation.

GCF(2865,2879) = 1
LCM(2865,2879) = ( 2865 × 2879) / 1
LCM(2865,2879) = 8248335 / 1
LCM(2865,2879) = 8248335

Least Common Multiple (LCM) of 2865 and 2879 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2865 and 2879. First we will calculate the prime factors of 2865 and 2879.

Prime Factorization of 2865

Prime factors of 2865 are 3, 5, 191. Prime factorization of 2865 in exponential form is:

2865 = 31 × 51 × 1911

Prime Factorization of 2879

Prime factors of 2879 are 2879. Prime factorization of 2879 in exponential form is:

2879 = 28791

Now multiplying the highest exponent prime factors to calculate the LCM of 2865 and 2879.

LCM(2865,2879) = 31 × 51 × 1911 × 28791
LCM(2865,2879) = 8248335