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What is the Least Common Multiple of 25385 and 25399?

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 25385 and 25399 is 644753615.

LCM(25385,25399) = 644753615

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Least Common Multiple of 25385 and 25399 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25385 and 25399, than apply into the LCM equation.

GCF(25385,25399) = 1
LCM(25385,25399) = ( 25385 × 25399) / 1
LCM(25385,25399) = 644753615 / 1
LCM(25385,25399) = 644753615

Least Common Multiple (LCM) of 25385 and 25399 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25385 and 25399. First we will calculate the prime factors of 25385 and 25399.

Prime Factorization of 25385

Prime factors of 25385 are 5, 5077. Prime factorization of 25385 in exponential form is:

25385 = 51 × 50771

Prime Factorization of 25399

Prime factors of 25399 are 11, 2309. Prime factorization of 25399 in exponential form is:

25399 = 111 × 23091

Now multiplying the highest exponent prime factors to calculate the LCM of 25385 and 25399.

LCM(25385,25399) = 51 × 50771 × 111 × 23091
LCM(25385,25399) = 644753615