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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 #1100000008588954400 3,261 digits created 2026-01-06

Value

129299850442930618745205203927206427403213976055126867304506646177671139428420147794482129332597743247726374088794014594384933182243589817164486766293844936156261496888500782247069423400873604848299572794504883989542403614252650360877512629347378027731032335035167075367410477266045382848763593376907108689896324968852781078493073938908249230011111259254219760287404887009386366673957655769692666886630272276127020331298808428875081892873254555735058637594334716382441472053401562755218542923869142281671987109401078885782965987932388055271916142972302151885592295259467550121736958780814612819838284000996894211519352254704572303840561636014012384107841174879934527735930830846665085563195864491095069284634446501690145052934656124017975489011269728188888722832545547992390809012141514276992934397502345883890767741057603326008559817331280865775892763354622635420613710915337978263813987001378290581137868292710653366562937226060970093739085960317609192564811185754437802061456371501479612534918624366996068562446802851540846110552037249240208609786918964955755949826971356385343662317542029991496952935008585599116964623051879174998221358350394655826556599187575071908249216918962022529061487264911048403053844497833655703816718449569848895058275981808059289477040413185549089911068701554554078292680213225156791030095158200217461677347719767605218283154997331257488305204323128913969915768869213644095600644331522399605336149294096654511665490816029647169763568862851176608137689438954699570963750792572350896014304541960835672315462384742686693789583353530644911630889945984625965240319670575369876118394810535332714814340798940491775377770859507640849686783471314155329852084900900964534032250761113832963048344100583794502223976690832765079782326774304139553416386059675011490835412466682147694793535924977661914555254190920595920124646886681032364246480705240078626267297591147668596690734853438151456045799531810359645938327928071653056549492373475394189656868310819577862610002093432095582167062692119797683200907831012441930863595245315086215522350801596540071548927597573990255197291474330739478892510306498471801778778830038016442598745923304296233724605964246011272626919892626242153959396225289439336800894237266956688190024183234497549765322013881175435183185826609113096851414624407051184972166255326691622962903115298846998583174207054160073729597113118115038132708196098727572439971032924573672937214596301883958470655505312423286978205722072355797238470020607127393388801740930521794264188225329333924469574270022877376829747219341848535384639694638157236264286364428248179188701481271611779004420682638781719083275931445315082761933652646632995754099218240209686896966504368050286990799180558940695145892659921909586970423114983370387739326650177061648273340680488202209941504184711023751062674172051655366744248448642207589614257594029332554327407889834009623754871606267752521853947627935834735048247876770139529628185357322804998174241167487361688928665973547130276867814294165611522199276287828026255779099700319363071074646176025795240355451043512850653900682807439660616111918925505637261196913369324044096052080902929599161612952853634212838727986905923796135969543363078679441848933035817739745513684418962818349674155865359439082769
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 22 of the certificate chain of a 3,572-digit prime (212 intermediate primes).

Certified number3,572-digit prime
Certificatedownload
Certificate chainshow step 22 of 212

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008588954400 --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":1100000008588954400},"decimal":true,"detail":2}}'