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 '44419791552842418618818857309277261316609300996057379551431335212705848923792958630392706021156920132442881362890450398938062553435302224211654484783203222752847962125358490301575315888004618641307902633852586936420156217865775065132115511034017752264765685271918913000520264287344438724003757040467188201751958904155021210028010258404898109390755214673175938936801944097281398919543700144079582067209811054790112353425493485450097644023567558234051502406765057099444721435371867642570286437553401667322512694749494873331022413035171779291353896191818523416381554538329992072336936004279577906293948376607279313955660949210112706749517728663697661125776850163782372224415961196628973131329412365813751279670031688955611208478321060029765647118025517443570005969833123545330698374217029768820738096667768166994807399340924315088924653654746494696094638255534437279269418277077178821016625793845632196239145179337737767848272495542334442792668554884295162133264798573407626891566941092975177063557782951814954067475983662807183697477100405794143593591659827070004941475134293082679402998592281748427421520705648501328034926930644120542923521942985914628534024431095175689346856235346517233849247872469297131500023851342110130575964308822325966489018696871881232343' --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":"44419791552842418618818857309277261316609300996057379551431335212705848923792958630392706021156920132442881362890450398938062553435302224211654484783203222752847962125358490301575315888004618641307902633852586936420156217865775065132115511034017752264765685271918913000520264287344438724003757040467188201751958904155021210028010258404898109390755214673175938936801944097281398919543700144079582067209811054790112353425493485450097644023567558234051502406765057099444721435371867642570286437553401667322512694749494873331022413035171779291353896191818523416381554538329992072336936004279577906293948376607279313955660949210112706749517728663697661125776850163782372224415961196628973131329412365813751279670031688955611208478321060029765647118025517443570005969833123545330698374217029768820738096667768166994807399340924315088924653654746494696094638255534437279269418277077178821016625793845632196239145179337737767848272495542334442792668554884295162133264798573407626891566941092975177063557782951814954067475983662807183697477100405794143593591659827070004941475134293082679402998592281748427421520705648501328034926930644120542923521942985914628534024431095175689346856235346517233849247872469297131500023851342110130575964308822325966489018696871881232343"},"decimal":false,"detail":2}}'