Prime Number Checker

Check if a number is prime and find nearby primes

Analysis:

Prime Numbers:

  • A prime number has exactly two factors: 1 and itself
  • The first few prime numbers: 2, 3, 5, 7, 11, 13, 17, 19
  • 2 is the only even prime number
  • Used in:
    • Cryptography
    • Computer security
    • Number theory
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