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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 #1100000009009286034 2,522 digits created 2026-07-28

Value

70558169836764987918251123479121563296430310947610084977966719910615257218924622204045026739627706545393888433638788324580212742850416175191522495606811366137498065390441747863424408964557321813291478429416490855205321337306375248589448801816886847237958744898836538626938398427566607891902015460752721432166796529872693829451959230780911845576686512097794652587735098970984368014800326163059683440662777765831922814984897884347303356543268829864847057824443446320591652608102637839077524285301434304814587309997628039722691890743537170080069204396617071245863508805171521060354946835272045378435463135003547860602972043875837950358892020740628846846727794150912726333287730928148394820088452353276897971218700758883681225135176496837914245719646231726865034923920193164786418743938137487159476605532338504111699170767372026769228963087319423704754762488165056003026137136429876321470767392090118658372796351570146696044463543654328551277609858840816467259074623196736235798085543117535550649778873811566216172034977110810019256011893720978973713501292892555669525437849059471777269456425195452237711408962000354076395404268904357066868973803790665106391330690598366632740092666622685175894732366656746283442545621299746842461918499760369591204492141939477290411589053154196218102670253731957997977828929779370082545071142056156279186760456064050039202537701116856933965410730412015718608999594245143822178316153493231894601434198607902275411160501137933155027264751009269140760727997983759368098861187144878160657937012172051160716839541371474653943392361650605242318099303795348747564794837136886574993377231686576279263143405600968397704045301373902576452470551934003490667732908858844196552558450341381853373802059686082410802600783882016629083586558715602931030668299957957133753458977700520562618425806966293263079423609296522972926111199150904186579047306498887241932471155663437888769778713096641242691650786156390884448726404867074556691094747759324090723868675547478749905138166492203027972412102692619184365528248968625585016269585574393663280622528934981454611336462052196909568661696633397708169372985114236930679651062619399465278946117427273753789421719762866359592526102540261305139547698306597193038719859320498254536811514437782097984041475819076197194894276807431655997241967117276494571410654436636295648856810191314457659703931359371242508335900614783642287468873463613817267230103328091348399325234328278501608845780565596027854366270421320131978764405149857752826596316571769099287978050284357308413
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 2,685-digit prime (204 intermediate primes).

Certified number2,685-digit prime
Certificatedownload
Certificate chainshow step 14 of 204

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009009286034 --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":1100000009009286034},"decimal":true,"detail":2}}'