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What is the Least Common Multiple of 17417 and 17423?

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 17417 and 17423 is 303456391.

LCM(17417,17423) = 303456391

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Least Common Multiple of 17417 and 17423 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17417 and 17423, than apply into the LCM equation.

GCF(17417,17423) = 1
LCM(17417,17423) = ( 17417 × 17423) / 1
LCM(17417,17423) = 303456391 / 1
LCM(17417,17423) = 303456391

Least Common Multiple (LCM) of 17417 and 17423 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17417 and 17423. First we will calculate the prime factors of 17417 and 17423.

Prime Factorization of 17417

Prime factors of 17417 are 17417. Prime factorization of 17417 in exponential form is:

17417 = 174171

Prime Factorization of 17423

Prime factors of 17423 are 7, 19, 131. Prime factorization of 17423 in exponential form is:

17423 = 71 × 191 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 17417 and 17423.

LCM(17417,17423) = 174171 × 71 × 191 × 1311
LCM(17417,17423) = 303456391