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What is the Least Common Multiple of 25891 and 25905?

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 25891 and 25905 is 670706355.

LCM(25891,25905) = 670706355

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Least Common Multiple of 25891 and 25905 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25891 and 25905, than apply into the LCM equation.

GCF(25891,25905) = 1
LCM(25891,25905) = ( 25891 × 25905) / 1
LCM(25891,25905) = 670706355 / 1
LCM(25891,25905) = 670706355

Least Common Multiple (LCM) of 25891 and 25905 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25891 and 25905. First we will calculate the prime factors of 25891 and 25905.

Prime Factorization of 25891

Prime factors of 25891 are 17, 1523. Prime factorization of 25891 in exponential form is:

25891 = 171 × 15231

Prime Factorization of 25905

Prime factors of 25905 are 3, 5, 11, 157. Prime factorization of 25905 in exponential form is:

25905 = 31 × 51 × 111 × 1571

Now multiplying the highest exponent prime factors to calculate the LCM of 25891 and 25905.

LCM(25891,25905) = 171 × 15231 × 31 × 51 × 111 × 1571
LCM(25891,25905) = 670706355