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What is the Least Common Multiple of 25831 and 25844?

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 25831 and 25844 is 51352028.

LCM(25831,25844) = 51352028

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Least Common Multiple of 25831 and 25844 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25831 and 25844, than apply into the LCM equation.

GCF(25831,25844) = 13
LCM(25831,25844) = ( 25831 × 25844) / 13
LCM(25831,25844) = 667576364 / 13
LCM(25831,25844) = 51352028

Least Common Multiple (LCM) of 25831 and 25844 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25831 and 25844. First we will calculate the prime factors of 25831 and 25844.

Prime Factorization of 25831

Prime factors of 25831 are 13, 1987. Prime factorization of 25831 in exponential form is:

25831 = 131 × 19871

Prime Factorization of 25844

Prime factors of 25844 are 2, 7, 13, 71. Prime factorization of 25844 in exponential form is:

25844 = 22 × 71 × 131 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 25831 and 25844.

LCM(25831,25844) = 131 × 19871 × 22 × 71 × 711
LCM(25831,25844) = 51352028