it's a bit different to the solutions in my textbook but i was wondering whether this method works too?
#is this proved correctly by method of contradiction
bright geode
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it's a bit different to the solutions in my textbook but i was wondering whether...
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fallen notch
it's a bit different to the solutions in my textbook but i was wondering whether...
The one thing you got wrong is that they would have at least four factors. You forgot to count the number itself, as well as the factors that result if k + 1 or k + 2 are composite. It's enough to note that they have a factor of 3 and aren't equal to 3.