PRP · Probable prime
Enter a value, an expression, or a term with a variable like 10^n+1 to list a range.
Switch to Database id to look a number up by its stored id.
Reading never stores anything; use Create to add a number to the database.
See the expression syntax & functions reference.
Is factor of
Primality
This is a probable prime: it passes probabilistic tests but is not yet proven.
Build an ECPP certificate (for example with Primo) and upload it - it is stored and verified locally, then the number is promoted to proven prime.
Primo input filedownload .in
From the command linefdb · curl
fdb
fdb number '136760749177239829904593567381720048921651854564294407764602866122675019013293098794341522823465920929588903535306484802222364987048682563872952843446703704517987426297068723902882248763044180525815503363133487243899529507012409292383488515810846410604579474167536376777372973854908745068897648789731920316910713953756099091784771849784345450126268927994108181724005446569784784087751010352500241811226295536554850959999505143465385864579754946354025406716600759676930219164100902998667781912456026430885101507523057113201043722557155367467427784096936284185306481649607720851201732505263306709981297717545602927301814575284796063837620533525313801491662622198190340631404202857517694831773049593208901355563191908653016315259282082013942672198656762587680799012213320118927970909037584834489554169739469527964575672140118889815087556898044491628032531947437376227193149283864792208455569140052436090788343188590961382055686067127894505283957679440577166746834363488131441458649594690133047825683697448521912681162134488736386519675740964181001649431283557170196943896258476351654844573292394206171179229811697131529175398966506722636142118396103688348860060387611155595785335094982757597757324934587287502727163148519782949747585460502015640358322491669337106857991456126374639958400727636756998046979788944955873124662150673243650046680044207' --detail 2
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"expr":"136760749177239829904593567381720048921651854564294407764602866122675019013293098794341522823465920929588903535306484802222364987048682563872952843446703704517987426297068723902882248763044180525815503363133487243899529507012409292383488515810846410604579474167536376777372973854908745068897648789731920316910713953756099091784771849784345450126268927994108181724005446569784784087751010352500241811226295536554850959999505143465385864579754946354025406716600759676930219164100902998667781912456026430885101507523057113201043722557155367467427784096936284185306481649607720851201732505263306709981297717545602927301814575284796063837620533525313801491662622198190340631404202857517694831773049593208901355563191908653016315259282082013942672198656762587680799012213320118927970909037584834489554169739469527964575672140118889815087556898044491628032531947437376227193149283864792208455569140052436090788343188590961382055686067127894505283957679440577166746834363488131441458649594690133047825683697448521912681162134488736386519675740964181001649431283557170196943896258476351654844573292394206171179229811697131529175398966506722636142118396103688348860060387611155595785335094982757597757324934587287502727163148519782949747585460502015640358322491669337106857991456126374639958400727636756998046979788944955873124662150673243650046680044207"},"decimal":false,"detail":2}}'