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What is the Least Common Multiple of 5785 and 5798?

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 5785 and 5798 is 2580110.

LCM(5785,5798) = 2580110

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Least Common Multiple of 5785 and 5798 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5785 and 5798, than apply into the LCM equation.

GCF(5785,5798) = 13
LCM(5785,5798) = ( 5785 × 5798) / 13
LCM(5785,5798) = 33541430 / 13
LCM(5785,5798) = 2580110

Least Common Multiple (LCM) of 5785 and 5798 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5785 and 5798. First we will calculate the prime factors of 5785 and 5798.

Prime Factorization of 5785

Prime factors of 5785 are 5, 13, 89. Prime factorization of 5785 in exponential form is:

5785 = 51 × 131 × 891

Prime Factorization of 5798

Prime factors of 5798 are 2, 13, 223. Prime factorization of 5798 in exponential form is:

5798 = 21 × 131 × 2231

Now multiplying the highest exponent prime factors to calculate the LCM of 5785 and 5798.

LCM(5785,5798) = 51 × 131 × 891 × 21 × 2231
LCM(5785,5798) = 2580110