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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 #1100000009067820649 2,400 digits created 2026-08-10

Value

154456627822412963837982840947415266683520630726991431935162109620228402885373345039539483861194484474052697754884330759295305872427137355675736687258359911075888790258519663312693832781302282301500703578997428565843364205880248683594573806568237036975028153774831032502746721524896818547059005763563494514506133517133971294359797810098784067537016975446495398786006370506204995828176547782299555751093216610033057662685797307994047590204635228496524642717295313902185522307993115086968930727770143223550148213862163577200531117565563848962540226872503980004080582913065131177135885064600347261855938015401143314211588537709843484432536102180679892806958209358069443381105719994955160801266668433878735662634574041879460256026262209569479994809635477445748465625875099269921188190301739430442851428985938858139580236188328716511399012666273566198198754069882546229777314728155282944775434576528624859937179804545564354031986474378173813192627141203241871566826957028694304520542317445879804339756675073734301791917240873558878840885811899804462398382675213649921130300417683266196107434507895348438470514320497705562537769804124675181975110456826805579450821931558762777268450936661613747535500763201277770939530220509175929643811968783615103719988988312342405562979209831757341160753747157298833804853254590596424334841088718000074617431486174456740654226887568718333815341967308880104200569945625329405538692695250723965808641566833420348371711471340676089222871276947671114597159062825094743578046527883497710678459425813125106157806791949448661074571807618156195957971014754200736767799555144269432805459679267421019182076411259170124731158580395791012654169226022492896995162201019859918160473131051736581616654185231394972951866169237529426478741577350058237955559863732269802099424585560232336509602904139842511662284282699905101887302609306634917136153684831305264981113676173242680504348554345048819983390016500092555135239047062756536583421700351115033096900833377266168322550545199850349276003300536011810610482541380151035919361154000941849575463204256318403786986175402464630626937504939380742301224171123851592181695317357552116339197476846533808602536564626941915359585709318086508131819975959575021782075574208439687523941124997837075287226190951135291234680913290527954062536081931802818289161845035719656226475381680388202207325567551704220777614559325849930601167085339654854372829
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 9 of the certificate chain of a 2,491-digit prime (185 intermediate primes).

Certified number2,491-digit prime
Certificatedownload
Certificate chainshow step 9 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009067820649 --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":1100000009067820649},"decimal":true,"detail":2}}'