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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 #1100000008942580152 1,848 digits created 2026-07-06

Value

282607851746451267541658449157161708462681655931147824414601904904655987446931618501672576555067791103058616223982776225796377229817187416145855046877872347174791218230098278461075408268715966036438109364832220213842517792952952752094602680206445507816703297509728445130971803165661244586366931919036735082502597287950480896888374536580275587491965083560727557901092162961997138602792067672107537311600945956951449234493076210962935058943861017666269203605902570769750991084199686791529728306551038647937877180802808664721617099068330689277340600720281780711602338603383441272534997703504052475003665164942654505801994108010006039334700352661079644414452603949815192476255372993974572658183573900142875401856975411440046495899452486267839378239899697366511963301422208208147431526904042074255660024061889642458460183847593045672483147666767214226809125973126620330898134990265250878608673222519277701535524918070817302466805540414101689622397824425344695025488267443094460768123520081895421236013547494133473394017081557926456600634753767133384377885243209671469863682320591010791391994907821371726848836304402892077893598169704271117887664253465077618772388234065535018495920068995540703901484088763847751586437045694898051253235303487575300844817538672988527031419668047244723032376741889699700040339569272284719866196111523178054920726798909314110202358833721825648676637833182032799347723230727388794302547782258346874027410731998071992095606450500220898585198438435074053204824367383179729438205108278292258660981455863942592229512515140709113146259392336346893466322501818773267281513434282553446030071383712803009716133212853168878849360855085560494403055823710379782499188873888369416988653737939097676444607835796711555182310863375231748281294042209739636727522358975417830136815146382550024628221191990605115501092576512300542093693606099
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 73 of the certificate chain of a 2,801-digit prime (206 intermediate primes).

Certified number2,801-digit prime
Certificatedownload
Certificate chainshow step 73 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008942580152 --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":1100000008942580152},"decimal":true,"detail":2}}'