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What is the Least Common Multiple of 39849 and 39865?

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 39849 and 39865 is 1588580385.

LCM(39849,39865) = 1588580385

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Least Common Multiple of 39849 and 39865 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39849 and 39865, than apply into the LCM equation.

GCF(39849,39865) = 1
LCM(39849,39865) = ( 39849 × 39865) / 1
LCM(39849,39865) = 1588580385 / 1
LCM(39849,39865) = 1588580385

Least Common Multiple (LCM) of 39849 and 39865 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39849 and 39865. First we will calculate the prime factors of 39849 and 39865.

Prime Factorization of 39849

Prime factors of 39849 are 3, 37, 359. Prime factorization of 39849 in exponential form is:

39849 = 31 × 371 × 3591

Prime Factorization of 39865

Prime factors of 39865 are 5, 7, 17, 67. Prime factorization of 39865 in exponential form is:

39865 = 51 × 71 × 171 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 39849 and 39865.

LCM(39849,39865) = 31 × 371 × 3591 × 51 × 71 × 171 × 671
LCM(39849,39865) = 1588580385