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What is the Least Common Multiple of 28425 and 28439?

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 28425 and 28439 is 808378575.

LCM(28425,28439) = 808378575

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Least Common Multiple of 28425 and 28439 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28425 and 28439, than apply into the LCM equation.

GCF(28425,28439) = 1
LCM(28425,28439) = ( 28425 × 28439) / 1
LCM(28425,28439) = 808378575 / 1
LCM(28425,28439) = 808378575

Least Common Multiple (LCM) of 28425 and 28439 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28425 and 28439. First we will calculate the prime factors of 28425 and 28439.

Prime Factorization of 28425

Prime factors of 28425 are 3, 5, 379. Prime factorization of 28425 in exponential form is:

28425 = 31 × 52 × 3791

Prime Factorization of 28439

Prime factors of 28439 are 28439. Prime factorization of 28439 in exponential form is:

28439 = 284391

Now multiplying the highest exponent prime factors to calculate the LCM of 28425 and 28439.

LCM(28425,28439) = 31 × 52 × 3791 × 284391
LCM(28425,28439) = 808378575