Find the smallest two values of the integer n for which n^2 - n + 41 is composite.?

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2006-12-04 10:19:36 · 2 answers · asked by patoscit 1 in Science & Mathematics ➔ Mathematics

The answers are x=41, 42

Note that these are also the first values of which x^2-x is divisible by 41.

2006-12-04 10:40:10 · answer #1 · answered by dennismeng90 6 · 1⤊ 0⤋

Complete the square and factor it.

2006-12-04 18:41:28 · answer #2 · answered by modulo_function 7 · 0⤊ 1⤋