junkim1357911 junkim1357911
  • 23-12-2017
  • Mathematics
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What four digit palendrome has exactly one factor that is prime

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osikbro
osikbro osikbro
  • 23-12-2017
If a number has only one, prime, factor, then that number MUST be a perfect square, cube, etc. 11^3=1331, which is a four digit palindromic number that has exactly one prime factor. Hope this helps! 
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