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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 #1100000008727412065 2,700 digits created 2026-04-05

Value

202224666092411558389124661511576092760433509025167757784517852846850057277985110333262292052387269375758223295108432687440383188628330095893616517246775808714914150483437732880867120027723609640194065783810444391784788675639777858792680229165324433684904631830012228547036328800824091562040654326161029076988058215080268149243872589100213963058347439177096903884119021766693589310173074040155628202251728673685436095861356361153406553554419418110773441426166927447533531325559791891838404265051150478444164618761540401738097133589305214082821776880545307827927646136684030195618677670354747349786987245374355053340477636051518833623953646301747364765673970183412964651975909084490358321545773976110536500073322850036713953047118825429589824744429852252087770509586564187718319788903987879850220512030214031910638567829790543969470925042720594597039809737089086302835961131582961880382680876744444139129999590274320885350906787165959174749342296396562709799271411476308977939418501071088133937192922133161367750590457062945760436777423579813346408966536085935161689450710676805124117710187857467037171991279619091385277097744571681572332023776687079106581181143562061969522302823221569709571154013202434630004363078335395015477629563836920325963368098568947299140722041763369577215278535985300567950096313796505752800317520463939786381807315879055385259794945325643864167251847708365588525145753509108809211482564768382150729614190877055217059200558730437244331630529449774816195114247527107467685305390948217823631717753184395622121378567570240759697258715512487239929373147059781456189762937605322225859546909975106649689153692075180283052385008445675857223424065013741001339340087637591276760431970337363400446707604396816065314181688321732632485949179793231503146933212564004061597346887099538838941615642625676451568830696484678506702186365626745229065535945246737395089630226428682465136656691144340883974078212170647258448322333334804766683007660636998588117678851051712533330387213971640727339065301828860323494801917633931532599006203824606011470198688267375268735537665627061276259524700047364327105600419358423002603622365495085691663858720066130744615673182571347530621798030812851359489764785954605309999135358791773804320134241339084968957872450255019183942214972853345140413278950914022137508658276445409869347104604051588781291425111349784488734302770198079063687787789973522970981537688806745370978409735034449438222474936097753586911464052960121889543079767964530918956445283325259115686954106576486654731575243140608360578000205627495886238804649769090136872011712127553887504115336750708011415534883529705067773045536635209912780615271694390436526494781145574856213237560544831041
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 9 of the certificate chain of a 2,772-digit prime (298 intermediate primes).

Certified number2,772-digit prime
Certificatedownload
Certificate chainshow step 9 of 298

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008727412065 --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":1100000008727412065},"decimal":true,"detail":2}}'