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What is the Least Common Multiple of 39805 and 39822?

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 39805 and 39822 is 1585114710.

LCM(39805,39822) = 1585114710

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Least Common Multiple of 39805 and 39822 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39805 and 39822, than apply into the LCM equation.

GCF(39805,39822) = 1
LCM(39805,39822) = ( 39805 × 39822) / 1
LCM(39805,39822) = 1585114710 / 1
LCM(39805,39822) = 1585114710

Least Common Multiple (LCM) of 39805 and 39822 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39805 and 39822. First we will calculate the prime factors of 39805 and 39822.

Prime Factorization of 39805

Prime factors of 39805 are 5, 19, 419. Prime factorization of 39805 in exponential form is:

39805 = 51 × 191 × 4191

Prime Factorization of 39822

Prime factors of 39822 are 2, 3, 6637. Prime factorization of 39822 in exponential form is:

39822 = 21 × 31 × 66371

Now multiplying the highest exponent prime factors to calculate the LCM of 39805 and 39822.

LCM(39805,39822) = 51 × 191 × 4191 × 21 × 31 × 66371
LCM(39805,39822) = 1585114710