English Title
How very large numbers are to be tested for whether they are prime or not
Enestrom Number
369
Fuss Index
26
Original Language
Latin
Content Summary
Euler uses representations in the form xx+yy to determine whether or not numbers are prime. He finds factors of several large numbers. He also presents several theorems, without proofs, about the forms of x that allow xx+yy to satisfy certain congruences.
Published as
Journal article
Published Date
1769
Written Date
1765
Original Source Citation
Novi Commentarii academiae scientiarum Petropolitanae, Volume 13, pp. 67-88.
Opera Omnia Citation
Series 1, Volume 3, pp.112-130.
Record Created
2018-09-25
