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What is the Least Common Multiple of 5618 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 5618 and 5631 is 31634958.

LCM(5618,5631) = 31634958

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Least Common Multiple of 5618 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 5618 and 5631, than apply into the LCM equation.

GCF(5618,5631) = 1
LCM(5618,5631) = ( 5618 × 5631) / 1
LCM(5618,5631) = 31634958 / 1
LCM(5618,5631) = 31634958

Least Common Multiple (LCM) of 5618 and 5631 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5618 and 5631. First we will calculate the prime factors of 5618 and 5631.

Prime Factorization of 5618

Prime factors of 5618 are 2, 53. Prime factorization of 5618 in exponential form is:

5618 = 21 × 532

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 5618 and 5631.

LCM(5618,5631) = 21 × 532 × 31 × 18771
LCM(5618,5631) = 31634958