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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 #1100000008676650216 2,383 digits created 2026-03-10

Value

9201938983204879627176084646930199531529555999607024874045489303858323581106364233820195827906579685978023821036674744081552777890345476667719178085488476011212453862006097735374628058383697906298444214095803018188657079759651134337259963663412445670826379627960551734612096037677142261462650044981361359867591354374138400266167559923771376159136811692385402987091022111710560231427291411257432368642195160912862827333624498537204511835968594727377274832052575424576741984920033238151918945461963705582979878509770770836192123192074306665111895397825036865099329831251587375669726391004354074857692574674237168138780606928148544241284791550162974795997543603256697435104902860831390172900440738583337362343582879134195522746860771755604922997614246250999836291164113023542461609486783529373459064434497967510977416034833415448679262505583349273199354983943565203856884850284563065518627703006461525059130113336209405176008163426497583556884092070825366098168711890156677357026375256432516643340952396561829406258029615815252682785395781847054799272496311293770878389154661939117575644183121643808437910593359395437787037782531459810450356477743923298407977339333427736134134061828336816272316759428437008245651172945454439785833544650421568983359164312388346706619705171401171708621651382954118134014839575101031252624311757941539529543769017374072732862900887011169105091427992004525312956639549343712349049781537158549112867951799089763751020866824012977461908095956762898622183496522199670275770148099002233787027724645454264868667965973246031799109711264854454098115138431640578338547119690113333477012649441884230818216085796829249441341272551515858455053284152584909565483171959865279087320424446611924242273287240018959180582528251487294466668913628802079524094832185975799343824360709193886043859096361006823722535233523321681741050056372586916445811975724521696224140296021980369813379727952802915797857516425458037968744044717081134139343518771440831483746052041558117344463120896563451933035415881482440983060574114641590282690416531095089047330447777141989090759972116444887178660474456487708302574467921245658138903740310391923538025607140985850431537582653459968938047742597316158701818348281789613810656231502573826873240194182929381852038208483672792804250689563603219696060886714384144648969866608425437013989552219923427313372569027311476586397256776711237934065489
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 45 of the certificate chain of a 2,930-digit prime (225 intermediate primes).

Certified number2,930-digit prime
Certificatedownload
Certificate chainshow step 45 of 225

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676650216 --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":1100000008676650216},"decimal":true,"detail":2}}'