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 '100883670896460101226430984063734257833875301027402237975839872192771523971236827299340764341829538123978944073147886409609947786064991190705229177561224747091161024753260557067507475716924449239395094488357167314896141467392114302424929655625589110282571573922534903100655822554903594559666594845730536710492194921551052744568478225491062521030941761587781298597508966698219496737775214172706358968192948446462563441125045688832990721371218382185159737569700393912013364269171212978395550671405925749063271294529998066229657438653435245721396740233820657001678535293008324940490880981499002209958969327342499197646582855952390659028670837761194868970653072776025980578645734415928433051829315498858229238644275224037083663955800041191748935236153396887869818809881077369854131451536190220615830324382668723160796483424562196957612343308514382319586065768543489424365772695742480876593448870484501909604128302690539820650264144258526600278776361268068849180018714844189824771829029990000206704390781930104186847078209832154872455010678821942671029499108925988950346370341330008566894845013351488751903535386184698664629' --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":"100883670896460101226430984063734257833875301027402237975839872192771523971236827299340764341829538123978944073147886409609947786064991190705229177561224747091161024753260557067507475716924449239395094488357167314896141467392114302424929655625589110282571573922534903100655822554903594559666594845730536710492194921551052744568478225491062521030941761587781298597508966698219496737775214172706358968192948446462563441125045688832990721371218382185159737569700393912013364269171212978395550671405925749063271294529998066229657438653435245721396740233820657001678535293008324940490880981499002209958969327342499197646582855952390659028670837761194868970653072776025980578645734415928433051829315498858229238644275224037083663955800041191748935236153396887869818809881077369854131451536190220615830324382668723160796483424562196957612343308514382319586065768543489424365772695742480876593448870484501909604128302690539820650264144258526600278776361268068849180018714844189824771829029990000206704390781930104186847078209832154872455010678821942671029499108925988950346370341330008566894845013351488751903535386184698664629"},"decimal":false,"detail":2}}'