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What is the Least Common Multiple of 39305 and 39321?

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 39305 and 39321 is 1545511905.

LCM(39305,39321) = 1545511905

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Least Common Multiple of 39305 and 39321 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39305 and 39321, than apply into the LCM equation.

GCF(39305,39321) = 1
LCM(39305,39321) = ( 39305 × 39321) / 1
LCM(39305,39321) = 1545511905 / 1
LCM(39305,39321) = 1545511905

Least Common Multiple (LCM) of 39305 and 39321 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39305 and 39321. First we will calculate the prime factors of 39305 and 39321.

Prime Factorization of 39305

Prime factors of 39305 are 5, 7, 1123. Prime factorization of 39305 in exponential form is:

39305 = 51 × 71 × 11231

Prime Factorization of 39321

Prime factors of 39321 are 3, 17, 257. Prime factorization of 39321 in exponential form is:

39321 = 32 × 171 × 2571

Now multiplying the highest exponent prime factors to calculate the LCM of 39305 and 39321.

LCM(39305,39321) = 51 × 71 × 11231 × 32 × 171 × 2571
LCM(39305,39321) = 1545511905