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What is the Least Common Multiple of 2865 and 2881?

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 2881 is 8254065.

LCM(2865,2881) = 8254065

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Least Common Multiple of 2865 and 2881 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 2881, than apply into the LCM equation.

GCF(2865,2881) = 1
LCM(2865,2881) = ( 2865 × 2881) / 1
LCM(2865,2881) = 8254065 / 1
LCM(2865,2881) = 8254065

Least Common Multiple (LCM) of 2865 and 2881 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2865 and 2881. First we will calculate the prime factors of 2865 and 2881.

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 2881

Prime factors of 2881 are 43, 67. Prime factorization of 2881 in exponential form is:

2881 = 431 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 2865 and 2881.

LCM(2865,2881) = 31 × 51 × 1911 × 431 × 671
LCM(2865,2881) = 8254065