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What is the Least Common Multiple of 25431 and 25441?

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 25431 and 25441 is 646990071.

LCM(25431,25441) = 646990071

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Least Common Multiple of 25431 and 25441 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25431 and 25441, than apply into the LCM equation.

GCF(25431,25441) = 1
LCM(25431,25441) = ( 25431 × 25441) / 1
LCM(25431,25441) = 646990071 / 1
LCM(25431,25441) = 646990071

Least Common Multiple (LCM) of 25431 and 25441 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25431 and 25441. First we will calculate the prime factors of 25431 and 25441.

Prime Factorization of 25431

Prime factors of 25431 are 3, 7, 173. Prime factorization of 25431 in exponential form is:

25431 = 31 × 72 × 1731

Prime Factorization of 25441

Prime factors of 25441 are 13, 19, 103. Prime factorization of 25441 in exponential form is:

25441 = 131 × 191 × 1031

Now multiplying the highest exponent prime factors to calculate the LCM of 25431 and 25441.

LCM(25431,25441) = 31 × 72 × 1731 × 131 × 191 × 1031
LCM(25431,25441) = 646990071