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What is the Least Common Multiple of 25885 and 25890?

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 25885 and 25890 is 134032530.

LCM(25885,25890) = 134032530

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Least Common Multiple of 25885 and 25890 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25885 and 25890, than apply into the LCM equation.

GCF(25885,25890) = 5
LCM(25885,25890) = ( 25885 × 25890) / 5
LCM(25885,25890) = 670162650 / 5
LCM(25885,25890) = 134032530

Least Common Multiple (LCM) of 25885 and 25890 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25885 and 25890. First we will calculate the prime factors of 25885 and 25890.

Prime Factorization of 25885

Prime factors of 25885 are 5, 31, 167. Prime factorization of 25885 in exponential form is:

25885 = 51 × 311 × 1671

Prime Factorization of 25890

Prime factors of 25890 are 2, 3, 5, 863. Prime factorization of 25890 in exponential form is:

25890 = 21 × 31 × 51 × 8631

Now multiplying the highest exponent prime factors to calculate the LCM of 25885 and 25890.

LCM(25885,25890) = 51 × 311 × 1671 × 21 × 31 × 8631
LCM(25885,25890) = 134032530