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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 #1100000010589198851 2,297 digits created 2026-10-06

Value

23800965360061888221791316939631411196657905083489907178652794007651248931982075865998959440150960551891341943423998174509170040469829927274602318396560956003087471831315353355325743834548641055502065819389538345267299741193780189553367995108199598089825952256096492999892089428557479397840950822518697440637917596586883135473819875259896906321048702895834099717243564334499875353369066811544109979325027309013868109687597017638218809096426780579112288618466393973740100419318284835167927823278152097847676067305147535651132763248090164003817722405352177016660158840647355268385528221768300368809738707395531829250436972836382707904090900650239678722905913909283169986663433076107052347121266147031663122586490454182421159499830139350975676991824936977518676036312459478542889372065691263060423160444693887197735870761494201163043394613934284128780865058943768901110588066623283287744764989141648506669430994620263092119456982587774621402241456337863869046241599618999926676068549020365606149828545959511117413402574138734095494241018300195041875865499931107940237157781310885392739375236542310467981892057516146041209974464087223496320560349251742309745469304540314415060973736868513303340540360591728577923384379712667234522028617272806075625857388238880946802496037064156761647068779485954072321835518505260832535956327148013199123244303946537171942387375696821251739208978591588268024008829368071216700140501957672623309463248818008053400920952952915020465514356376450154702008626138578726498516148724512173698896563762308923191979030051152078001669736403042892818386733000590246377800885794507584024069053742856420859605058074267888638499511672376846301677234299982453697683094899108114266459154379294053276578415308424979326828643969460054254713878365173096303283149800717062623438462879914474302794619331208190077404245037775470841274118430264490415640632891492408169832141334919839384021671424758339767405175982078742483833680830388075720111374699715608412581468461608714710147568108243492345532095802677502665853731882419771039530468925705919712476389220957695728931780528481395899299220570334289783302345468052006036676340528587251280152719217277788211176880152631005275053542798815138903359252450388419727784723799536379230471465908698335355632077604120353017532363036159785627750864077
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 82 of the certificate chain of a 3,195-digit prime (326 intermediate primes).

Certified number3,195-digit prime
Certificatedownload
Certificate chainshow step 82 of 326

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000010589198851 --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":1100000010589198851},"decimal":true,"detail":2}}'