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What is the Least Common Multiple of 5665 and 5681?

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 5665 and 5681 is 32182865.

LCM(5665,5681) = 32182865

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Least Common Multiple of 5665 and 5681 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5665 and 5681, than apply into the LCM equation.

GCF(5665,5681) = 1
LCM(5665,5681) = ( 5665 × 5681) / 1
LCM(5665,5681) = 32182865 / 1
LCM(5665,5681) = 32182865

Least Common Multiple (LCM) of 5665 and 5681 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5665 and 5681. First we will calculate the prime factors of 5665 and 5681.

Prime Factorization of 5665

Prime factors of 5665 are 5, 11, 103. Prime factorization of 5665 in exponential form is:

5665 = 51 × 111 × 1031

Prime Factorization of 5681

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

5681 = 131 × 191 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 5665 and 5681.

LCM(5665,5681) = 51 × 111 × 1031 × 131 × 191 × 231
LCM(5665,5681) = 32182865