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What is the Least Common Multiple of 25639 and 25655?

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 25639 and 25655 is 657768545.

LCM(25639,25655) = 657768545

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Least Common Multiple of 25639 and 25655 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25639 and 25655, than apply into the LCM equation.

GCF(25639,25655) = 1
LCM(25639,25655) = ( 25639 × 25655) / 1
LCM(25639,25655) = 657768545 / 1
LCM(25639,25655) = 657768545

Least Common Multiple (LCM) of 25639 and 25655 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25639 and 25655. First we will calculate the prime factors of 25639 and 25655.

Prime Factorization of 25639

Prime factors of 25639 are 25639. Prime factorization of 25639 in exponential form is:

25639 = 256391

Prime Factorization of 25655

Prime factors of 25655 are 5, 7, 733. Prime factorization of 25655 in exponential form is:

25655 = 51 × 71 × 7331

Now multiplying the highest exponent prime factors to calculate the LCM of 25639 and 25655.

LCM(25639,25655) = 256391 × 51 × 71 × 7331
LCM(25639,25655) = 657768545