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What is the Least Common Multiple of 17442 and 17447?

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 17442 and 17447 is 304310574.

LCM(17442,17447) = 304310574

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Least Common Multiple of 17442 and 17447 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17442 and 17447, than apply into the LCM equation.

GCF(17442,17447) = 1
LCM(17442,17447) = ( 17442 × 17447) / 1
LCM(17442,17447) = 304310574 / 1
LCM(17442,17447) = 304310574

Least Common Multiple (LCM) of 17442 and 17447 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17442 and 17447. First we will calculate the prime factors of 17442 and 17447.

Prime Factorization of 17442

Prime factors of 17442 are 2, 3, 17, 19. Prime factorization of 17442 in exponential form is:

17442 = 21 × 33 × 171 × 191

Prime Factorization of 17447

Prime factors of 17447 are 73, 239. Prime factorization of 17447 in exponential form is:

17447 = 731 × 2391

Now multiplying the highest exponent prime factors to calculate the LCM of 17442 and 17447.

LCM(17442,17447) = 21 × 33 × 171 × 191 × 731 × 2391
LCM(17442,17447) = 304310574