If we are looking for the Pythagoras triple that goes with 5 and 7
Check
If the pythagoras is 7, then the third number would be
If the third number is the hypothenuse, then third number would be
Please note that square root of 24 and the square root of 74 would not give a whole number.
Hence their is no whole number that goes with 5 and 7 to make a pythagoras triple