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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 #1100000009127082527 2,214 digits created 2026-09-01

Value

956852867211196211605736357875658021770810487911480664264556767552697862046541002422310612413590042172805648673107804276832010808533631487391732479909242634742543731272979938521323621322086996678712329311142899230939500612221840583403609716989142414884607329522143161875120144256841249203215823663732803732885905315604438658821550085667395694468816119099509726079413720791347638220713096616188781916134528443163177272436317540245793865328825825808288144123029967388790928648693226712079100866866766115633140991729160117584353310597590631103251498951252659979202744485744419671157485992211596165852074606373370292069683352525348549207389541294471246953691451447751859730513180556365996225092889339581141131630091235327514135100371051764241878954302014422885621009414644475259558054511705853094481951254525579267787187945583214694500276499202336088108184225922265689243738392756817982025036766560340111438123376690809702076526597989598723987454613632558345420330018735167231133421056408362031477932119686122725655790155417498559154637899096459743747520666031695872424788065598853120149163501067031318338572856930123488372633057374735801620780116697428526612600682227398875393318776797603070426964781851011586476297751312426196350378739430903740325251605423549122654207330505415125790517195006346127323854415707179944230304025216807077314050973674187157711164146969760918015840622259831426003502451744273133115503804967507409153553005854178551357329765229519051959574593858426945360123264414717231336031960966479125491000624319374645141593374032998646811891825764265071687234064811717602932954857261662926501708696494166560753743232819574016238438133709660799878618926934463392363876293027817179022877763592469319769958461185818156334824677378711186242078469544220285060299748750134558908194272521062353321043111879194697740909273045531722336054862260835703133817817574434289528641343800267676188799677544121575788109130959707372325911809402663083635802708548335417159314680311016196556411678915231604261089468854309429002471445160131457787645533688140683942392452698737575791252724881590312045496944228386370456533893473190135245215765257567939330651645503969668994106128461268722177583175328091104269554314457526281
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 88 of the certificate chain of a 3,127-digit prime (318 intermediate primes).

Certified number3,127-digit prime
Certificatedownload
Certificate chainshow step 88 of 318

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009127082527 --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":1100000009127082527},"decimal":true,"detail":2}}'