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What is the Least Common Multiple of 25855 and 25865?

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 25855 and 25865 is 133747915.

LCM(25855,25865) = 133747915

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Least Common Multiple of 25855 and 25865 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25855 and 25865, than apply into the LCM equation.

GCF(25855,25865) = 5
LCM(25855,25865) = ( 25855 × 25865) / 5
LCM(25855,25865) = 668739575 / 5
LCM(25855,25865) = 133747915

Least Common Multiple (LCM) of 25855 and 25865 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25855 and 25865. First we will calculate the prime factors of 25855 and 25865.

Prime Factorization of 25855

Prime factors of 25855 are 5, 5171. Prime factorization of 25855 in exponential form is:

25855 = 51 × 51711

Prime Factorization of 25865

Prime factors of 25865 are 5, 7, 739. Prime factorization of 25865 in exponential form is:

25865 = 51 × 71 × 7391

Now multiplying the highest exponent prime factors to calculate the LCM of 25855 and 25865.

LCM(25855,25865) = 51 × 51711 × 71 × 7391
LCM(25855,25865) = 133747915