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What is the Least Common Multiple of 5780 and 5792?

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 5792 is 8369440.

LCM(5780,5792) = 8369440

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Least Common Multiple of 5780 and 5792 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 5792, than apply into the LCM equation.

GCF(5780,5792) = 4
LCM(5780,5792) = ( 5780 × 5792) / 4
LCM(5780,5792) = 33477760 / 4
LCM(5780,5792) = 8369440

Least Common Multiple (LCM) of 5780 and 5792 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5780 and 5792. First we will calculate the prime factors of 5780 and 5792.

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 5792

Prime factors of 5792 are 2, 181. Prime factorization of 5792 in exponential form is:

5792 = 25 × 1811

Now multiplying the highest exponent prime factors to calculate the LCM of 5780 and 5792.

LCM(5780,5792) = 25 × 51 × 172 × 1811
LCM(5780,5792) = 8369440