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What is the Least Common Multiple of 25801 and 25815?

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 25801 and 25815 is 666052815.

LCM(25801,25815) = 666052815

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Least Common Multiple of 25801 and 25815 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25801 and 25815, than apply into the LCM equation.

GCF(25801,25815) = 1
LCM(25801,25815) = ( 25801 × 25815) / 1
LCM(25801,25815) = 666052815 / 1
LCM(25801,25815) = 666052815

Least Common Multiple (LCM) of 25801 and 25815 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25801 and 25815. First we will calculate the prime factors of 25801 and 25815.

Prime Factorization of 25801

Prime factors of 25801 are 25801. Prime factorization of 25801 in exponential form is:

25801 = 258011

Prime Factorization of 25815

Prime factors of 25815 are 3, 5, 1721. Prime factorization of 25815 in exponential form is:

25815 = 31 × 51 × 17211

Now multiplying the highest exponent prime factors to calculate the LCM of 25801 and 25815.

LCM(25801,25815) = 258011 × 31 × 51 × 17211
LCM(25801,25815) = 666052815