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What is the Least Common Multiple of 65815 and 65825?

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 65815 and 65825 is 866454475.

LCM(65815,65825) = 866454475

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Least Common Multiple of 65815 and 65825 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65815 and 65825, than apply into the LCM equation.

GCF(65815,65825) = 5
LCM(65815,65825) = ( 65815 × 65825) / 5
LCM(65815,65825) = 4332272375 / 5
LCM(65815,65825) = 866454475

Least Common Multiple (LCM) of 65815 and 65825 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65815 and 65825. First we will calculate the prime factors of 65815 and 65825.

Prime Factorization of 65815

Prime factors of 65815 are 5, 13163. Prime factorization of 65815 in exponential form is:

65815 = 51 × 131631

Prime Factorization of 65825

Prime factors of 65825 are 5, 2633. Prime factorization of 65825 in exponential form is:

65825 = 52 × 26331

Now multiplying the highest exponent prime factors to calculate the LCM of 65815 and 65825.

LCM(65815,65825) = 52 × 131631 × 26331
LCM(65815,65825) = 866454475