Question

Aflati toate numerele prime care sunt cu 4 mai mici decat un patrat perfect

Answer 1

numere prime 2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97,221
patrate perfecte 4,9,16,25,36,49,64,81,100,,121,144,169,196,225

4-4=0   9-4=5   16-4=12       25-4=21     36-4=32        49-4=45  64-4=60 81-4=77   100-4=96     121-4=97  144-4=140      169-4=165   225-4=221 

r=5,97,221