perplexus.info :: Just Math : Sum of two powers

Sum of two powers (Posted on 2004-08-12)

If n is an integer, show that n⁴ + 4ⁿ is never a prime for n>1.

See The Solution Submitted by Federico Kereki

Rating: 4.4000 (5 votes)

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re: Complete answer

| Comment 5 of 7 |

(In reply to Complete answer by Bon)

very nice!

Posted by SilverKnight on 2004-08-12 16:25:19

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