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What is the Least Common Multiple of 82397 and 82405?

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 82397 and 82405 is 6789924785.

LCM(82397,82405) = 6789924785

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Least Common Multiple of 82397 and 82405 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82397 and 82405, than apply into the LCM equation.

GCF(82397,82405) = 1
LCM(82397,82405) = ( 82397 × 82405) / 1
LCM(82397,82405) = 6789924785 / 1
LCM(82397,82405) = 6789924785

Least Common Multiple (LCM) of 82397 and 82405 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82397 and 82405. First we will calculate the prime factors of 82397 and 82405.

Prime Factorization of 82397

Prime factors of 82397 are 7, 79, 149. Prime factorization of 82397 in exponential form is:

82397 = 71 × 791 × 1491

Prime Factorization of 82405

Prime factors of 82405 are 5, 16481. Prime factorization of 82405 in exponential form is:

82405 = 51 × 164811

Now multiplying the highest exponent prime factors to calculate the LCM of 82397 and 82405.

LCM(82397,82405) = 71 × 791 × 1491 × 51 × 164811
LCM(82397,82405) = 6789924785