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What is the Least Common Multiple of 25805 and 25814?

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 25805 and 25814 is 666130270.

LCM(25805,25814) = 666130270

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Least Common Multiple of 25805 and 25814 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25805 and 25814, than apply into the LCM equation.

GCF(25805,25814) = 1
LCM(25805,25814) = ( 25805 × 25814) / 1
LCM(25805,25814) = 666130270 / 1
LCM(25805,25814) = 666130270

Least Common Multiple (LCM) of 25805 and 25814 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25805 and 25814. First we will calculate the prime factors of 25805 and 25814.

Prime Factorization of 25805

Prime factors of 25805 are 5, 13, 397. Prime factorization of 25805 in exponential form is:

25805 = 51 × 131 × 3971

Prime Factorization of 25814

Prime factors of 25814 are 2, 12907. Prime factorization of 25814 in exponential form is:

25814 = 21 × 129071

Now multiplying the highest exponent prime factors to calculate the LCM of 25805 and 25814.

LCM(25805,25814) = 51 × 131 × 3971 × 21 × 129071
LCM(25805,25814) = 666130270