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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 #1100000009130350288 2,086 digits created 2026-09-02

Value

5260706431154864621133982901900774569151024052185326559308452971605401702813354111268863969440910772443475278230134145760239949117722060828969102551152702549075358443387139833560503323662065100723583691392596653449925199970712026574607478983519381615195619017838622434503375811849240389921520331628677834618381782916173184427506437092443173725402972941363814085967245237467818972486065158331738676043670025633890278956527952745925386674647263170475840730549030630487182325596578057942551486856609979390442288716352562816989992182250889533521962368369112540266177069322343103104651676960857782912283166390639459364801612638102957105737908490293454462425623517373783073324484634172627989767398297056977696363643189447038988057475318758037046247248364154445616623903119189815008089145968477556170515895082505541655138107175303797680924986683894654289048720308147832181456211148469601566604712664602909330427089075603775269859865688975379856039063199478762396367502932445380922663192292932440558876619110288501096755869074538975349803868624059981712302849000314105965426943091791621035745698848054179245599160191876282374208968834758919857467751704200697872551099941418428293661806620399924112412396088386006973090809640539803505884156934177468883853348429785014478079412405028717760028878851718559060876985339597670211380772668297436635131863277749685057749284297200219752043268045261922909395502918456699670183414638224650656028928454261359626020623241333636638883759864882366545418567132369545521932756383259074763877572694409298773192525543017760159477977910451605203804600132556001228903541393672850051938106407338185299870130761808086018802656909647915201313871326285967428009056627390633969509415741702936779253979612362145831751916257488174601784003393000209615723236755753690724519918517379528023395743023728637198407851642114522913662785135154975379004486389538340483528412315052052401280589972968745493495281964439511208927250418180191046064377521315080464074419770681924395381837370488525035366399322106488076431253434431178821192213550810267281296316695020442726139021242069051
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 3,173-digit prime (194 intermediate primes).

Certified number3,173-digit prime
Certificatedownload
Certificate chainshow step 67 of 194

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009130350288 --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":1100000009130350288},"decimal":true,"detail":2}}'