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What is the Least Common Multiple of 5780 and 5797?

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 5780 and 5797 is 1970980.

LCM(5780,5797) = 1970980

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Least Common Multiple of 5780 and 5797 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5780 and 5797, than apply into the LCM equation.

GCF(5780,5797) = 17
LCM(5780,5797) = ( 5780 × 5797) / 17
LCM(5780,5797) = 33506660 / 17
LCM(5780,5797) = 1970980

Least Common Multiple (LCM) of 5780 and 5797 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5780 and 5797. First we will calculate the prime factors of 5780 and 5797.

Prime Factorization of 5780

Prime factors of 5780 are 2, 5, 17. Prime factorization of 5780 in exponential form is:

5780 = 22 × 51 × 172

Prime Factorization of 5797

Prime factors of 5797 are 11, 17, 31. Prime factorization of 5797 in exponential form is:

5797 = 111 × 171 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 5780 and 5797.

LCM(5780,5797) = 22 × 51 × 172 × 111 × 311
LCM(5780,5797) = 1970980