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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 #1100000004879281130 2,312 digits created 2023-10-25

Value

15040782769970021681911480522902954121408943668793506980420958732313678298227345979402609342430757292160387874904965011446448974866587925903408158825523404639090259688793450747303537123113776413645450114057674742991058891540399939932546411644097457162706605449726938167582351789008625667850886096104599883378482503269360454460261414300151167705781806604038948941260729937213315472067370677349283755181626532101404362451174975190838364947015431465501167883934736803296977446093310801891491348472829230565743105110187178873914679062859088317757211281024108440538183225376259459172725614389955423858990263647267385920651951129401469819988227177293033546733180943116966532005047453214739656400648230552001660715423722403702266986128880957577178269406720204958366533248651228317330549422931998121898191804809990419465345152518056839098241442443374612246048098287864299729207518611284530788241603643030830639163526994163623164129878104876398962125540659359678050660953705170345972917801497240943523341203801983674302003549844671395860949774629905126690310750191802620256245311456393488420775665704779871992970238885188988679692676588185360316219893816906328861081160808074710260771773063686979863462648140429411606976116392408293943299279679385146361106883779722359535385064501957601369998841085200737336685198291456971213065625186655879550219611911858217742001356083148592982835398930205667342060509107063029129365753004363453806265100865728626665892472205151915236254172056870692251969303737931573742501241932717286428112134256105480963371742947567397473063034172155054489535196193050334347892322795220776384015732224055615615989329666164728453039441837985985961416770760614519357581126131766673444802544059842285742230911724025483578539103636005119010795710877101798366342337768067389484025580783553620265527605955486619920106919200084442292819828334189201786171722387291088293998524734619920847636774058979902168206587106388216841836421367835825486430740450356392220639762230692185482586447971790294533443823944297088116767969087843151354264720010123324463078130431642566048740003921990708297791549743267962741257827401407686250648959207707777834272514783708369385614969326913966571399333837067358545333966330918755304398461271215238935435739671376163576714115683459928378331478950295204383923089348894351982648233
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 12 of the certificate chain of a 2,405-digit prime (313 intermediate primes).

Certified number2,405-digit prime
Certificatedownload
Certificate chainshow step 12 of 313

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004879281130 --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":1100000004879281130},"decimal":true,"detail":2}}'