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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 #1100000009028431157 1,603 digits created 2026-07-31

Value

6417634550492939470136816946261898909865406392533538930085569026370400508221244825830387254078489166846189761357502182775984801656833479215547494193400237909763608496080868960264718437308001302272469093772037685396015952942020335342236907590198571073557783227394263867621651154284216656985428548451789163866156354118227605921852547071698756954573326996053494238344087974792720356181502196993001552837633542716970790703027783045337460725017293621926673584865486824256418253661628249472464652888472471970403725401257237291890813832488595237649521683367412231682338186240235427499006962907243481458037611246436667917114773566216828478864456827553049479358346119978469938672379344441228316044092247167476775068896846405299856314435331766934088363097242047821628955466813759914750761987353831142742566950055874148110580296907260976010429556577806062201121028774035779161986110495402017706351252666621538365695519493678255208011863693870956125897880744909315771656328986130004550896621896461774513089342184003860703856511256584739070201490782343128627172953120894187596871453858962871880860806689104037806789175405791848950195080206042088867909363942075274877220484747763891626968116559014832276038137609543360233116897979316692924744245448407819112502890420457374673503666732344275027565568942634655657050742857065293973871618474163156441471150569689539886972998153360125542000718512659931806655448277561491226876367728683898473560312052839879552187378902858565712507365186957429098745319307506339287212774551119933655321638477839086434857263354059027885039726817989736677666629009759002412032232194722514521
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 90 of the certificate chain of a 2,771-digit prime (206 intermediate primes).

Certified number2,771-digit prime
Certificatedownload
Certificate chainshow step 90 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028431157 --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":1100000009028431157},"decimal":true,"detail":2}}'