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 '1672469679091274792908338404387541241429376269543600823454260231704517178226618476151453201725461825527953729301582625390070432943325658679057039856097285415965092669909764267766847176436595507373456558983637799926811341224788059462513307385558985595476794578805662719246725502872817700936917255234398116778405795495634307225742499192203563449670748000317040413910129109035981892552586199471897989619377979903476019981849195811685694218419458441911053358675336701754880441968244350745660296828156426992311599997471668190204061794778725261632368711734609097462393491873132879573783' --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":"1672469679091274792908338404387541241429376269543600823454260231704517178226618476151453201725461825527953729301582625390070432943325658679057039856097285415965092669909764267766847176436595507373456558983637799926811341224788059462513307385558985595476794578805662719246725502872817700936917255234398116778405795495634307225742499192203563449670748000317040413910129109035981892552586199471897989619377979903476019981849195811685694218419458441911053358675336701754880441968244350745660296828156426992311599997471668190204061794778725261632368711734609097462393491873132879573783"},"decimal":false,"detail":2}}'