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What is the Least Common Multiple of 5623 and 5631?

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 5623 and 5631 is 31663113.

LCM(5623,5631) = 31663113

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Least Common Multiple of 5623 and 5631 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5623 and 5631, than apply into the LCM equation.

GCF(5623,5631) = 1
LCM(5623,5631) = ( 5623 × 5631) / 1
LCM(5623,5631) = 31663113 / 1
LCM(5623,5631) = 31663113

Least Common Multiple (LCM) of 5623 and 5631 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5623 and 5631. First we will calculate the prime factors of 5623 and 5631.

Prime Factorization of 5623

Prime factors of 5623 are 5623. Prime factorization of 5623 in exponential form is:

5623 = 56231

Prime Factorization of 5631

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

5631 = 31 × 18771

Now multiplying the highest exponent prime factors to calculate the LCM of 5623 and 5631.

LCM(5623,5631) = 56231 × 31 × 18771
LCM(5623,5631) = 31663113