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What is the Least Common Multiple of 25571 and 25580?

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 25571 and 25580 is 654106180.

LCM(25571,25580) = 654106180

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Least Common Multiple of 25571 and 25580 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25571 and 25580, than apply into the LCM equation.

GCF(25571,25580) = 1
LCM(25571,25580) = ( 25571 × 25580) / 1
LCM(25571,25580) = 654106180 / 1
LCM(25571,25580) = 654106180

Least Common Multiple (LCM) of 25571 and 25580 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25571 and 25580. First we will calculate the prime factors of 25571 and 25580.

Prime Factorization of 25571

Prime factors of 25571 are 7, 13, 281. Prime factorization of 25571 in exponential form is:

25571 = 71 × 131 × 2811

Prime Factorization of 25580

Prime factors of 25580 are 2, 5, 1279. Prime factorization of 25580 in exponential form is:

25580 = 22 × 51 × 12791

Now multiplying the highest exponent prime factors to calculate the LCM of 25571 and 25580.

LCM(25571,25580) = 71 × 131 × 2811 × 22 × 51 × 12791
LCM(25571,25580) = 654106180