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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 #1100000009060446957 2,130 digits created 2026-08-09

Value

549256484179813802992151745221310425515031043206638400601397468075120484219002940750813057435320969517700104347742126419946836352023933461167461989236946051649473690842079084413624866381149296214926672024520719748051481638766752038597034686895223161693914834347209426547342039098449919186643436311755339185323916314282463995673187680133409552411328922378497005138227696514033621070753857947193944244508751303610212462338110548683506036423727821090359563405265893584651582708160119767603838523247225086975020740493686865865437920161819479285656979304475947007481502477677242786682537930573303109387423267415598463084936182004420416463574734329023791093854127355652576584459488643815965018284182683796719215033558188809913901109394907639091296036778402144159751342867905924844472117595571206326968997470907886850199093400057537377785053741917357356114625751511658088327513007790501265658588893932164349633869335156474558443254393814561911528547470670949526945811907432838980000767811804052652822894185184676666604225214941927112704179528484919701861944612356927815224147915074481318818009696512163390987305680024819532077445546941139158568331523605088569010861229918817708990712381807520667002002892668502007663739972274116652032417347589539812768130928825874397599188289939554863463887363772568953975331413926339223149750400430878535431853284984801910937536454453360865455370151799168162704080793584262459621278602041727972492577685328272863036420623101442765225871532374944519315532863103532748239273579802672333624811517744906834865204890294503309612894593033575094320729590728158051965234536075733329424618171591391233443385525601566346802253636474452349379872151390647678675947462126425204244121600967159397217913336685295354936890473529014909535079008379365146939353534628797164755693818074231480506061041424460260796140855225210752917883915480719692567713119148684850561818785741652683113008720628532219267373969480859376146378461220804662112311738934473941014871263861885375393458116935843788811381065813917384843871155986099145133121408070258545057852302505051745495661739965741097755673380667948334228519978891301716993193
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 34 of the certificate chain of a 2,557-digit prime (185 intermediate primes).

Certified number2,557-digit prime
Certificatedownload
Certificate chainshow step 34 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009060446957 --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":1100000009060446957},"decimal":true,"detail":2}}'