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What is the Least Common Multiple of 17558 and 17563?

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 17558 and 17563 is 308371154.

LCM(17558,17563) = 308371154

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Least Common Multiple of 17558 and 17563 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17558 and 17563, than apply into the LCM equation.

GCF(17558,17563) = 1
LCM(17558,17563) = ( 17558 × 17563) / 1
LCM(17558,17563) = 308371154 / 1
LCM(17558,17563) = 308371154

Least Common Multiple (LCM) of 17558 and 17563 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17558 and 17563. First we will calculate the prime factors of 17558 and 17563.

Prime Factorization of 17558

Prime factors of 17558 are 2, 8779. Prime factorization of 17558 in exponential form is:

17558 = 21 × 87791

Prime Factorization of 17563

Prime factors of 17563 are 7, 13, 193. Prime factorization of 17563 in exponential form is:

17563 = 71 × 131 × 1931

Now multiplying the highest exponent prime factors to calculate the LCM of 17558 and 17563.

LCM(17558,17563) = 21 × 87791 × 71 × 131 × 1931
LCM(17558,17563) = 308371154