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What is the Least Common Multiple of 5618 and 5624?

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 5624 is 15797816.

LCM(5618,5624) = 15797816

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Least Common Multiple of 5618 and 5624 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 5624, than apply into the LCM equation.

GCF(5618,5624) = 2
LCM(5618,5624) = ( 5618 × 5624) / 2
LCM(5618,5624) = 31595632 / 2
LCM(5618,5624) = 15797816

Least Common Multiple (LCM) of 5618 and 5624 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5618 and 5624. First we will calculate the prime factors of 5618 and 5624.

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 5624

Prime factors of 5624 are 2, 19, 37. Prime factorization of 5624 in exponential form is:

5624 = 23 × 191 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 5618 and 5624.

LCM(5618,5624) = 23 × 532 × 191 × 371
LCM(5618,5624) = 15797816