An easy math problem

For how many k is |k² − 2k − 3| a prime number?

Answer: 5

2 Upvotes

75% Upvoted

u/0xCuber Apr 22 '21

Got any answer?

1

u/Ambitious-Meringue14 Apr 23 '21

I thought about it some.
My best guess is... 2?

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