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What is the Least Common Multiple of 39438 and 39449?

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 39438 and 39449 is 1555789662.

LCM(39438,39449) = 1555789662

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Least Common Multiple of 39438 and 39449 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39438 and 39449, than apply into the LCM equation.

GCF(39438,39449) = 1
LCM(39438,39449) = ( 39438 × 39449) / 1
LCM(39438,39449) = 1555789662 / 1
LCM(39438,39449) = 1555789662

Least Common Multiple (LCM) of 39438 and 39449 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39438 and 39449. First we will calculate the prime factors of 39438 and 39449.

Prime Factorization of 39438

Prime factors of 39438 are 2, 3, 7, 313. Prime factorization of 39438 in exponential form is:

39438 = 21 × 32 × 71 × 3131

Prime Factorization of 39449

Prime factors of 39449 are 103, 383. Prime factorization of 39449 in exponential form is:

39449 = 1031 × 3831

Now multiplying the highest exponent prime factors to calculate the LCM of 39438 and 39449.

LCM(39438,39449) = 21 × 32 × 71 × 3131 × 1031 × 3831
LCM(39438,39449) = 1555789662