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Charlievicky

  • one year ago

What four digit palindrome has exactly one factor that is prime? Please explain:)

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  1. amistre64
    • one year ago
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    only prime numbers have 1 factor that is prime.

  2. Charlievicky
    • one year ago
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    Please someone help! :)

  3. amistre64
    • one year ago
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    all numbers have a unique prime factorization. a number with only 1 prime factor .. is a prime number. you want a 4 digit prime number that reads forward and backwards the same

  4. Charlievicky
    • one year ago
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    Thank you:)

  5. amistre64
    • one year ago
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    youre welcome: your number will most likely start and end with either 1s, 3s, 7s, or 9s which narrows down the pool a bit

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