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What is the Least Common Multiple of 2391 and 2395?

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 2391 and 2395 is 5726445.

LCM(2391,2395) = 5726445

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Least Common Multiple of 2391 and 2395 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2391 and 2395, than apply into the LCM equation.

GCF(2391,2395) = 1
LCM(2391,2395) = ( 2391 × 2395) / 1
LCM(2391,2395) = 5726445 / 1
LCM(2391,2395) = 5726445

Least Common Multiple (LCM) of 2391 and 2395 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2391 and 2395. First we will calculate the prime factors of 2391 and 2395.

Prime Factorization of 2391

Prime factors of 2391 are 3, 797. Prime factorization of 2391 in exponential form is:

2391 = 31 × 7971

Prime Factorization of 2395

Prime factors of 2395 are 5, 479. Prime factorization of 2395 in exponential form is:

2395 = 51 × 4791

Now multiplying the highest exponent prime factors to calculate the LCM of 2391 and 2395.

LCM(2391,2395) = 31 × 7971 × 51 × 4791
LCM(2391,2395) = 5726445