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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 #1100000008270920375 2,160 digits created 2025-06-06

Value

541169274370112657960795357539710664813883690452105173819866882842123177365099148490958078088950673724327410507450799721467504671088564632316978216904894594299639875434059151587248184201857738998271828497322616791271851526484427421740895051650309215698292885994831038863564721339876643451817935251699368199920406539621440307046368236426943049903687533317009831161272368843071190357328550748119049714448100836684030056159476617282186812480161675976028662578016288175861042352764006433959590525726174508663616223975115337047326107205765558858990319204528573635777483355694427250967616215762312509851456240192002626891197982330045554963605728110780268585054490344912876425916614121715984723496828895087502239232460008056920409860364372538589200127521307236485824673512088308704737709068488447059931556934373619303414105671331818133126900301944127176533071764502622569809361014252070939532618529631936669744686018639371689393786251254618506016943748693566775240408275443434034890212948208952658134956767785010593128382883448270060887158628193652925880374790676666132529416036644028047061696520819907795059034141513717019740683604943433047765877129537961820795088892434848532527882255507479381825430445754476367744826864466579009787111402773820921077368016641607488041488942027763197873349096634898185268204752585309571238416530328226915826747165291629086311456661798184617629533928532064658225258092985011426666361963300013919861253859602590417700545249548388486203759002530251888783418038461127911973492291599236009549188761673935922695903215169425441819672248787740075299182136280086957287275257598938051595453801233535988155269075449162611843992453765054051723530746162359926274628523184236199959737534832433836342964387678168694483622901188942825311989311970252027060862026501656831481218768108636826543292068391831740677537693410053361848030916824273473361219397782523728775754589164894838422804797521119331574084533842883375168588102292739896302477733363275161442712346497387553752654044932679315977690943590707553921840148497179024896980965395153071719814370780379445363944318103489033341631703958819467278990105274179072970684952476426735113140236400994069
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 18 of the certificate chain of a 2,344-digit prime (246 intermediate primes).

Certified number2,344-digit prime
Certificatedownload
Certificate chainshow step 18 of 246

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008270920375 --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":1100000008270920375},"decimal":true,"detail":2}}'