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7 February, 13:14

What is the Largest prime factor of 2²+3²+5²?

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Answers (2)
  1. 7 February, 13:31
    0
    It looks like 19 would be.

    I don't know any slick way to find it, other than just slugging it out.
  2. 7 February, 13:35
    0
    It would be 19 since it is also the largest factor of 4+9+25. It is also a prime number so that is the answer.
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