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What is the Least Common Multiple of 39391 and 39409?

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 39391 and 39409 is 1552359919.

LCM(39391,39409) = 1552359919

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Least Common Multiple of 39391 and 39409 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39391 and 39409, than apply into the LCM equation.

GCF(39391,39409) = 1
LCM(39391,39409) = ( 39391 × 39409) / 1
LCM(39391,39409) = 1552359919 / 1
LCM(39391,39409) = 1552359919

Least Common Multiple (LCM) of 39391 and 39409 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39391 and 39409. First we will calculate the prime factors of 39391 and 39409.

Prime Factorization of 39391

Prime factors of 39391 are 11, 3581. Prime factorization of 39391 in exponential form is:

39391 = 111 × 35811

Prime Factorization of 39409

Prime factors of 39409 are 39409. Prime factorization of 39409 in exponential form is:

39409 = 394091

Now multiplying the highest exponent prime factors to calculate the LCM of 39391 and 39409.

LCM(39391,39409) = 111 × 35811 × 394091
LCM(39391,39409) = 1552359919