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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 #1100000009117856318 2,164 digits created 2026-08-28

Value

2827639924326066120989922725095466955750709692350358597712671954407803175682856816900683805873947500229244697854079274217356527075324655594144623533487421099275226052844821331382474112695953665048870152275125180214729364049369387016764349433783709011256663490256837326485799692644484687373605461271717045621024399607339379896299713375755797648385275055467187077901658874530585038438802302767137784652347879308064948479331989396655198065139129763287171323881680206014207965512474399621765290706010109209185923589821077642159677631866687918269134357998620526784982120537749369089987318070743227492134799981550278625111093549476167711833516504640782572419915676836227104170988192225142197863151019766946114695724872482987744383139338626137118792671607444669601080496286431774605467466799031217912077293854072609373550391708620534372452243590107018688790601921219567303943623014152324852567544357450204644390780867730776039138449554282705108134138339440857925159556707225603628855897622956319995035654922779325195037850801430358731056843648989794627876661171637024829675645914329192392931677897551749385409690250007796964335113196821768963279162769006746135124758305356089714532580583923553846952859453617516497174018839379118806145572141202005791532038776398479734392995748083530609043540445199392254537586841298198745417097495621560227078289058678832165630376293112184291053682505106823359197141263068397021170691604890995427430674893634728803677968459452700295509976426507213364500091214427570569316442581523595225866061042703394016359482580558137718228363354243772373642703142444336514987339447166811934547273295734367877666228392089273375161062961685937354045432940845483000594676012806428080763641290118293780517251968744098678030623539699802736184236761015022140985377669220574800872327992000140731152853042011853945640061073818528179529139440164157115563102493980803296033161320756487947255633949923594286758892389580718944487577111596641791168300534741997805993950150742420788670359998212945563540298626931045299522488443973371767886610589592671689233092048542654722017086529466143323251972896707346183901941889681081392757754771336362577907382940177254854723
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 92 of the certificate chain of a 3,049-digit prime (315 intermediate primes).

Certified number3,049-digit prime
Certificatedownload
Certificate chainshow step 92 of 315

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009117856318 --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":1100000009117856318},"decimal":true,"detail":2}}'