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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 #1100000009060447299 1,736 digits created 2026-08-09

Value

39923829152941831330841450415298518529939230812691996270799457587325841371994477690940854587813553860251539790008826671963611785317673929851153387981488836936145225151628933899435451530197755995217141914986834887108404353691960111739036895549530199552916388389822450649899970076698447077531064506560765668987157853822935052366809716024092140819452826136994632065071465694989197758529691213492826962272509904896800615137562544019241540429444723731123674108106321579927549360003230161992731495699045936097811516047514897247395438226651126510509936075201863581906637914521140318475947348960418041990880068912940241409316118356434435154047428515227914307504001392497416921092465145568951342613281554549553925548501321113025972009587854026109249614573179774930571461931810491147862968602348753932592686127381827298373224534530975708320907608874346397730655448795721003352714705154949687807838287224604505729833905002994416400860975373387920574490050348592429506898846150547101843151328862319693511214529847031975169591753604086194909472172912795738988898362682581100762436329123415868555342501995263934341673977049464509300615321889539397223429601951006811978637157990873511696562434816836829582018156500880283107028540797117719002886796398165600386838538835167369271004787157296527853209613901237797138463468283274567842308756080795918405351710703431235798495567621012764661574473077021184209991200221966860357816911607147130651683028471320481578747275080147634003934583171620173538205673354349824970878160370305161492176495472702318079623192924154435762161877264403110237613722239579544805825359877677668939426416365645746995931809619694749000569288625032813716646696640095481745755124630196751427790326847677573321225474504534085210709033
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 62 of the certificate chain of a 2,557-digit prime (185 intermediate primes).

Certified number2,557-digit prime
Certificatedownload
Certificate chainshow step 62 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009060447299 --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":1100000009060447299},"decimal":true,"detail":2}}'