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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 #1100000009056642472 2,024 digits created 2026-08-08

Value

59953591333306347218333282882824686000606587574300059165800061686920022806180029001944802426271844980606843976624997493187984007233259674436991868136467922307669026178105855958299154841202898267975406066307471009106084527937320460009105967758982539973515318507795780375258457732165317833460056439308740186751894900980330348281544476206659068627661813616003495688576571765648769218373054154610728534913610108946371973198864303288253068245202149860927180589852714321723235668279610405146004678945761400918659698799325562277972813252792525888400664271472884701848735265983835352266276651038351884526646922202585373399422272283666359956084842626621768938694551621609054682634430568922458074553530537409153344286184550786806139564381116569495068662610053814695010504357567339003615864436049822394630218899907084490783046180244115146606575273831543393171389801167840258776414108491692656601238474549836357334035313834076376921360174280903848355581436586191498568578390126854188202707771174836921306579873588339960835637920048685024218122104477759437817414748566906314718491350409218634299780337666905049827482759449787001864684900577966957804869429683419340586976151795384033662728010451345928374640044250954617065061736046562093576856780206013482455806974719996450107769174404827610685585581353929842687659325588287703603591286753600398945181547894859721794551865904382395217537245822837836603007680102896018172250255035176948092718544338413714325915935855296749293167262723636082649738614409911486184571460149438507643488106856895388443546625341476792563616208712182969967885164487150266348000672950219523063957471520208806400045826953087715673695203520627037121489653409502314019130998547663778466994121098031358584716596854031744432757707070350906183195450255425716509219104889806136228539363486574148407330283410494669608472476683310495847938516891808772008772338263325885170605159150574834229955628271160135546242601889149131917222373798447132509252550745669014676413001038421721736059706702607819484465259641690304408376771
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 43 of the certificate chain of a 2,536-digit prime (201 intermediate primes).

Certified number2,536-digit prime
Certificatedownload
Certificate chainshow step 43 of 201

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009056642472 --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":1100000009056642472},"decimal":true,"detail":2}}'