anonymous
  • anonymous
If x is a positive prime integer, can x + (composite number) ever equal a prime number? What about two composites added together, can they ever reach a prime number?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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mathmate
  • mathmate
Examples: 17 (prime) + 6 (composite) = 23 (prime) 15(composite) + 14(composite) = 29 (prime)
mathmate
  • mathmate
In fact, difference between two primes (other than 2) is always composite (div. by 2).
anonymous
  • anonymous
Thank you. Could you help me on my other problem, it is about k^2 -18x +65. I asked it earlier. I'm stuck.

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mathmate
  • mathmate
You're welcome! :) Sorry, I was late for the other question. You already had an excellent response.

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