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What is the Least Common Multiple of 25461 and 25479?

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 25461 and 25479 is 72080091.

LCM(25461,25479) = 72080091

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Least Common Multiple of 25461 and 25479 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25461 and 25479, than apply into the LCM equation.

GCF(25461,25479) = 9
LCM(25461,25479) = ( 25461 × 25479) / 9
LCM(25461,25479) = 648720819 / 9
LCM(25461,25479) = 72080091

Least Common Multiple (LCM) of 25461 and 25479 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25461 and 25479. First we will calculate the prime factors of 25461 and 25479.

Prime Factorization of 25461

Prime factors of 25461 are 3, 23, 41. Prime factorization of 25461 in exponential form is:

25461 = 33 × 231 × 411

Prime Factorization of 25479

Prime factors of 25479 are 3, 19, 149. Prime factorization of 25479 in exponential form is:

25479 = 32 × 191 × 1491

Now multiplying the highest exponent prime factors to calculate the LCM of 25461 and 25479.

LCM(25461,25479) = 33 × 231 × 411 × 191 × 1491
LCM(25461,25479) = 72080091