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What is the Least Common Multiple of 25843 and 25861?

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 25861 is 668325823.

LCM(25843,25861) = 668325823

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Least Common Multiple of 25843 and 25861 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 25861, than apply into the LCM equation.

GCF(25843,25861) = 1
LCM(25843,25861) = ( 25843 × 25861) / 1
LCM(25843,25861) = 668325823 / 1
LCM(25843,25861) = 668325823

Least Common Multiple (LCM) of 25843 and 25861 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25843 and 25861. First we will calculate the prime factors of 25843 and 25861.

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 25861

Prime factors of 25861 are 11, 2351. Prime factorization of 25861 in exponential form is:

25861 = 111 × 23511

Now multiplying the highest exponent prime factors to calculate the LCM of 25843 and 25861.

LCM(25843,25861) = 431 × 6011 × 111 × 23511
LCM(25843,25861) = 668325823