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What is the Least Common Multiple of 25517 and 25521?

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 25517 and 25521 is 651219357.

LCM(25517,25521) = 651219357

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Least Common Multiple of 25517 and 25521 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25517 and 25521, than apply into the LCM equation.

GCF(25517,25521) = 1
LCM(25517,25521) = ( 25517 × 25521) / 1
LCM(25517,25521) = 651219357 / 1
LCM(25517,25521) = 651219357

Least Common Multiple (LCM) of 25517 and 25521 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25517 and 25521. First we will calculate the prime factors of 25517 and 25521.

Prime Factorization of 25517

Prime factors of 25517 are 17, 19, 79. Prime factorization of 25517 in exponential form is:

25517 = 171 × 191 × 791

Prime Factorization of 25521

Prime factors of 25521 are 3, 47, 181. Prime factorization of 25521 in exponential form is:

25521 = 31 × 471 × 1811

Now multiplying the highest exponent prime factors to calculate the LCM of 25517 and 25521.

LCM(25517,25521) = 171 × 191 × 791 × 31 × 471 × 1811
LCM(25517,25521) = 651219357