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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.

P · Proven prime
id #1100000009057949035 1,240 digits created 2026-08-08

Value

1516014878742911196728986010365033634745559105916834545957226380357230161032656713941568917944399055910621016392009197132874815935019350674661531359600671041994521041916821424339872140921761131901726129282608817216965439142179843146577257802642551987903914461480405687950757286493686905478150094881383846817825743460564355992365299354531092119711876636586355061984695336998924652740897687623695996348924936634964993823196601009047933070809953220840205204442231611334230451054324616404695087022601813149614047039886505944842024023145244287701517886509925207544344168641453817770896149274890329705529788260692886584586348047381029765508256678273395372772724927220098366690380515000765073522453376985172835303657235235966205877483404712347728054554560633244979827455904602366055670499881819426368448623423454925681954790018202801954768634223208341418440449601874852874737661172451750880637557722715289765407053527673037013034283229080744326654603284798444821518235048777663843608495597248290627599644180877004392309324458092936697419858338424581811973849323241837285924810966478090572767212235562549680521624178778098726431371408341113630764615867595755601121852802101617270303151407730605752633395869144822810315633376104838552764937286059701
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 96 of the certificate chain of a 2,454-digit prime (186 intermediate primes).

Certified number2,454-digit prime
Certificatedownload
Certificate chainshow step 96 of 186

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057949035 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000009057949035},"decimal":true,"detail":2}}'