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What is the Least Common Multiple of 5681 and 5685?

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 5681 and 5685 is 32296485.

LCM(5681,5685) = 32296485

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Least Common Multiple of 5681 and 5685 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5681 and 5685, than apply into the LCM equation.

GCF(5681,5685) = 1
LCM(5681,5685) = ( 5681 × 5685) / 1
LCM(5681,5685) = 32296485 / 1
LCM(5681,5685) = 32296485

Least Common Multiple (LCM) of 5681 and 5685 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5681 and 5685. First we will calculate the prime factors of 5681 and 5685.

Prime Factorization of 5681

Prime factors of 5681 are 13, 19, 23. Prime factorization of 5681 in exponential form is:

5681 = 131 × 191 × 231

Prime Factorization of 5685

Prime factors of 5685 are 3, 5, 379. Prime factorization of 5685 in exponential form is:

5685 = 31 × 51 × 3791

Now multiplying the highest exponent prime factors to calculate the LCM of 5681 and 5685.

LCM(5681,5685) = 131 × 191 × 231 × 31 × 51 × 3791
LCM(5681,5685) = 32296485