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 '41035036155771144744060256484969611296299416252922451284751707823614278575805112907472616933033151033256473638895080318550281784782164132642274517165930327368454131570831728140076042996126052314753546626190244438361993451328344865397910551624837435971677730360546265230466816642495873156979071893125540823625389876789747302911188542188855798883583048990682506679847848694378367296578897223850372746472150005045212660831333332724211117922933163533508041278498765666868504998030661492947941134367142575905428032319042759159711734564177026539836012856829737667788318224362168748629074718024345197743000546296878913345820995374357500299958557079977139568581221421530648662967715313128841684119522426932411115916348524451350519931455216570355834321903719534697494207392042013302765048185219603134251183419962141945015594535881444679503670981170754733756376517760228237719172977392893' --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":"41035036155771144744060256484969611296299416252922451284751707823614278575805112907472616933033151033256473638895080318550281784782164132642274517165930327368454131570831728140076042996126052314753546626190244438361993451328344865397910551624837435971677730360546265230466816642495873156979071893125540823625389876789747302911188542188855798883583048990682506679847848694378367296578897223850372746472150005045212660831333332724211117922933163533508041278498765666868504998030661492947941134367142575905428032319042759159711734564177026539836012856829737667788318224362168748629074718024345197743000546296878913345820995374357500299958557079977139568581221421530648662967715313128841684119522426932411115916348524451350519931455216570355834321903719534697494207392042013302765048185219603134251183419962141945015594535881444679503670981170754733756376517760228237719172977392893"},"decimal":false,"detail":2}}'