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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 #1100000009041058863 1,267 digits created 2026-08-03

Value

1768819736697582726391036757294276000221847535804966884797021790446910595207628307235860774494005998897129645967212961375778199020148271701282195432088140569109303114276647623110488288284880018694145790229727545097144657385327779795200878942645577635224189941944814868828693889038914458618086586305565174354329647450424624928863245855852889637879623925259704904853292744227188432756048193666108098306639804697338969094962424512030564918992329176292270619830508311198049181199678066907853604167764869040603906602310574955938505373360459954262994444099419455986786258428576976022561909407597327107337415150007080490553076723692021963005723317190082518288156035447935434366316927854935299933544217462758853963864476154039136600977169364456546912090865464631427685833624658645575797415335783998270691931569099972161540288136780200338262935906311697065707723855370666530560792873733408527704876319499463561266242715427906876689016683286589509908949672596296415986048385220351489526009152560446197497715939930972274546791306818964901444879226361128889152601679618083060032192743311857886108373984123381965334477924280934441185728799979314987810036802674511878512544032938949876499204992557553729435097020685047062498986107605848115533483956868085879153293608990635710767209
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 4 of the certificate chain of a 1,295-digit prime (102 intermediate primes).

Certified number1,295-digit prime
Certificatedownload
Certificate chainshow step 4 of 102

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009041058863 --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":1100000009041058863},"decimal":true,"detail":2}}'