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What is the Least Common Multiple of 5637 and 5645?

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 5637 and 5645 is 31820865.

LCM(5637,5645) = 31820865

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Least Common Multiple of 5637 and 5645 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5637 and 5645, than apply into the LCM equation.

GCF(5637,5645) = 1
LCM(5637,5645) = ( 5637 × 5645) / 1
LCM(5637,5645) = 31820865 / 1
LCM(5637,5645) = 31820865

Least Common Multiple (LCM) of 5637 and 5645 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5637 and 5645. First we will calculate the prime factors of 5637 and 5645.

Prime Factorization of 5637

Prime factors of 5637 are 3, 1879. Prime factorization of 5637 in exponential form is:

5637 = 31 × 18791

Prime Factorization of 5645

Prime factors of 5645 are 5, 1129. Prime factorization of 5645 in exponential form is:

5645 = 51 × 11291

Now multiplying the highest exponent prime factors to calculate the LCM of 5637 and 5645.

LCM(5637,5645) = 31 × 18791 × 51 × 11291
LCM(5637,5645) = 31820865