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What is the Least Common Multiple of 2886 and 2905?

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 2886 and 2905 is 8383830.

LCM(2886,2905) = 8383830

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Least Common Multiple of 2886 and 2905 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2886 and 2905, than apply into the LCM equation.

GCF(2886,2905) = 1
LCM(2886,2905) = ( 2886 × 2905) / 1
LCM(2886,2905) = 8383830 / 1
LCM(2886,2905) = 8383830

Least Common Multiple (LCM) of 2886 and 2905 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2886 and 2905. First we will calculate the prime factors of 2886 and 2905.

Prime Factorization of 2886

Prime factors of 2886 are 2, 3, 13, 37. Prime factorization of 2886 in exponential form is:

2886 = 21 × 31 × 131 × 371

Prime Factorization of 2905

Prime factors of 2905 are 5, 7, 83. Prime factorization of 2905 in exponential form is:

2905 = 51 × 71 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 2886 and 2905.

LCM(2886,2905) = 21 × 31 × 131 × 371 × 51 × 71 × 831
LCM(2886,2905) = 8383830