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What is the Least Common Multiple of 25682 and 25689?

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 25682 and 25689 is 659744898.

LCM(25682,25689) = 659744898

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Least Common Multiple of 25682 and 25689 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25682 and 25689, than apply into the LCM equation.

GCF(25682,25689) = 1
LCM(25682,25689) = ( 25682 × 25689) / 1
LCM(25682,25689) = 659744898 / 1
LCM(25682,25689) = 659744898

Least Common Multiple (LCM) of 25682 and 25689 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25682 and 25689. First we will calculate the prime factors of 25682 and 25689.

Prime Factorization of 25682

Prime factors of 25682 are 2, 12841. Prime factorization of 25682 in exponential form is:

25682 = 21 × 128411

Prime Factorization of 25689

Prime factors of 25689 are 3, 8563. Prime factorization of 25689 in exponential form is:

25689 = 31 × 85631

Now multiplying the highest exponent prime factors to calculate the LCM of 25682 and 25689.

LCM(25682,25689) = 21 × 128411 × 31 × 85631
LCM(25682,25689) = 659744898