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What is the Least Common Multiple of 5600 and 5618?

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 5600 and 5618 is 15730400.

LCM(5600,5618) = 15730400

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Least Common Multiple of 5600 and 5618 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5600 and 5618, than apply into the LCM equation.

GCF(5600,5618) = 2
LCM(5600,5618) = ( 5600 × 5618) / 2
LCM(5600,5618) = 31460800 / 2
LCM(5600,5618) = 15730400

Least Common Multiple (LCM) of 5600 and 5618 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5600 and 5618. First we will calculate the prime factors of 5600 and 5618.

Prime Factorization of 5600

Prime factors of 5600 are 2, 5, 7. Prime factorization of 5600 in exponential form is:

5600 = 25 × 52 × 71

Prime Factorization of 5618

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

5618 = 21 × 532

Now multiplying the highest exponent prime factors to calculate the LCM of 5600 and 5618.

LCM(5600,5618) = 25 × 52 × 71 × 532
LCM(5600,5618) = 15730400