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What is the Least Common Multiple of 25843 and 25855?

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 25843 and 25855 is 668170765.

LCM(25843,25855) = 668170765

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Least Common Multiple of 25843 and 25855 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25843 and 25855, than apply into the LCM equation.

GCF(25843,25855) = 1
LCM(25843,25855) = ( 25843 × 25855) / 1
LCM(25843,25855) = 668170765 / 1
LCM(25843,25855) = 668170765

Least Common Multiple (LCM) of 25843 and 25855 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25843 and 25855. First we will calculate the prime factors of 25843 and 25855.

Prime Factorization of 25843

Prime factors of 25843 are 43, 601. Prime factorization of 25843 in exponential form is:

25843 = 431 × 6011

Prime Factorization of 25855

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

25855 = 51 × 51711

Now multiplying the highest exponent prime factors to calculate the LCM of 25843 and 25855.

LCM(25843,25855) = 431 × 6011 × 51 × 51711
LCM(25843,25855) = 668170765