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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 #1100000008766976072 2,849 digits created 2026-04-21

Value

70106558578713286438685344794328387299001608272010733497825718923320796034586457907314995719547072394476444996584531476783666681328153416828678901314777876457269330549876022388750294865747695850745645060111316957726732273778320922561283403676571237325703295278293991803350766090361133276108123437019881049380968934250818783401588895818117500663149130496860929980189748196871588789447397618988104824777960817458720355301800469236513729864228881427106592580976217662885671347006557381032088948461728687934676814216435345839525448728307467388370936451846094519423978363208399584993420162750903798606953040219304536290215519914514777816343998744797376027003363956233752000260272525036006502460649528699404247888565672938404082573284910630743245944094263377059294590993355235099708758215578585350885932124837731619070288493384580504358091538035671552439934447689095860764275209480553001116513518004820612527492130320009618919735846949010551798675241764456196459928873899766764236328359331269291158997501576096222428832170646762229271154087511572944524478069742090065440443719388391791013675134192307477344806990190363172888044199324787136445976769711830663989633013240492214373993544602955757768862348393301175851253076156385410861940491883903455785493538689679556917420013475752628134106093953251656414663648927607578911786187192456164297333247315792912313782466688926856209796553212293898678482724283957698280215624530702010538961639211307064961338850460780569955454320182043748910451989703003706823599043857210021191149503937757403362738309687378481698726678469902851259437149641896575039564629108395314774047711085309322225230197251483747163662198327144440587997153559637050484304069045434253962163721637681918153067224227642547153752712327403700604658577003494195209779439553930833194015941686112262977441974567236886819340490118794478348082713916307461427349629135891463455151538369827215196804688205512419446300657863185695676244443775154542156312801956979744087195045809122629886298423919231981485680623464668487803460628219727403845598408440861711132892583808536440050693585718033055213188019738160001845049294291838141423087835690859104363894833916936785311167012909780698831074696781963069992623079433352171216022251005814187581792891527950351060182804016309751938703035816831649222130189828906325832195410056616270422727656634161926752485315459254722109426078560623282608577302811963180563589625841390139230744951307379639054674247205990926603456419048632193492442089388484858833021839603029865509443175582840271409526159445816716163343091046194209699008899385994697905476057092431582944547153177618653597926142260561182213764503183012153690241842312783342101631041724313219938780689771696872710018451454162525306409791465674886816157853536512103953040706660647694115263013820529113189710498976428815899180765515127519305759689591621080963331
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 16 of the certificate chain of a 3,127-digit prime (189 intermediate primes).

Certified number3,127-digit prime
Certificatedownload
Certificate chainshow step 16 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008766976072 --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":1100000008766976072},"decimal":true,"detail":2}}'