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What is the Least Common Multiple of 39474 and 39482?

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 39474 and 39482 is 779256234.

LCM(39474,39482) = 779256234

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Least Common Multiple of 39474 and 39482 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39474 and 39482, than apply into the LCM equation.

GCF(39474,39482) = 2
LCM(39474,39482) = ( 39474 × 39482) / 2
LCM(39474,39482) = 1558512468 / 2
LCM(39474,39482) = 779256234

Least Common Multiple (LCM) of 39474 and 39482 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39474 and 39482. First we will calculate the prime factors of 39474 and 39482.

Prime Factorization of 39474

Prime factors of 39474 are 2, 3, 17, 43. Prime factorization of 39474 in exponential form is:

39474 = 21 × 33 × 171 × 431

Prime Factorization of 39482

Prime factors of 39482 are 2, 19, 1039. Prime factorization of 39482 in exponential form is:

39482 = 21 × 191 × 10391

Now multiplying the highest exponent prime factors to calculate the LCM of 39474 and 39482.

LCM(39474,39482) = 21 × 33 × 171 × 431 × 191 × 10391
LCM(39474,39482) = 779256234