perplexus.info :: Just Math : Conditional pairs

Conditional pairs (Posted on 2020-12-19)

Find all the pairs of positive numbers such that the last digit of their sum is 3, their difference is a prime number and their product is a perfect square.

No Solution Yet Submitted by Danish Ahmed Khan

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ummm...

| Comment 4 of 7 |

(In reply to re: solution by Brian Smith)

Yes 5 ends in 5 and is prime.

D'oh!!!!

Posted by Larry on 2020-12-19 19:10:30

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