factordbrpc · fdb
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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 #1100000008680399896 1,670 digits created 2026-03-12

Value

25222785925804726240317624232376465134765479879940213686930980832454174958748656937595988825815997496045018924995785259357052081036315115531778944719537646830047018474538443511189197011107020314092629196014646084781832941841160182865282715253035831653418598074704751069150754127766689664362618963313080332530102688271151212652699475701399061953596588117591306617994764361888934059558207967560495298053781154000656384970105783587969751659588528453454263431610584826796526958462508820309490484112658290632963470610500678297352654540259527369577257738947965583303845947171179543540077343348910842451975339731197887792755958542113697561664410795689400774811786865377252133603371851702311775599569398258060652088938542588166125334700874918212664932993423638523738370818138143552202545971784633876413556134362168260850888429467179801149297968054182852761614917373321332941774446407215482051283101631566923675164927676570780359687046948674671779510284808258921818874130841081487681773275539152222638058967964766240574072860227384571910151098098219039044220765840171318094987567023375827667212747284999661950833947206707659593384511879234357244468378018615674206503673582645545541236403084210589249512034983830621508481792440263807047122760141849660926752420455175170126394910638298370375499589574721219109777748526345992173040402164594685304965601866805609717504287930918198467790983267326522918565994807965320826739978018887579172517322039460716105531629510996590984962908395553747800918377597883838147510419143147228633389529783456121486921274170299616980772277758441306407444926333324596991390856196418422559976221366048639790284216008751142184490305707956495205371624601793
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 36 of the certificate chain of a 2,029-digit prime (206 intermediate primes).

Certified number2,029-digit prime
Certificatedownload
Certificate chainshow step 36 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008680399896 --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":1100000008680399896},"decimal":true,"detail":2}}'