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What is the Least Common Multiple of 5631 and 5639?

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 5631 and 5639 is 31753209.

LCM(5631,5639) = 31753209

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Least Common Multiple of 5631 and 5639 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5631 and 5639, than apply into the LCM equation.

GCF(5631,5639) = 1
LCM(5631,5639) = ( 5631 × 5639) / 1
LCM(5631,5639) = 31753209 / 1
LCM(5631,5639) = 31753209

Least Common Multiple (LCM) of 5631 and 5639 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5631 and 5639. First we will calculate the prime factors of 5631 and 5639.

Prime Factorization of 5631

Prime factors of 5631 are 3, 1877. Prime factorization of 5631 in exponential form is:

5631 = 31 × 18771

Prime Factorization of 5639

Prime factors of 5639 are 5639. Prime factorization of 5639 in exponential form is:

5639 = 56391

Now multiplying the highest exponent prime factors to calculate the LCM of 5631 and 5639.

LCM(5631,5639) = 31 × 18771 × 56391
LCM(5631,5639) = 31753209