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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 #1100000009075031095 1,705 digits created 2026-08-11

Value

3623199966998248885974078309186234897314281764662795755149818726252124560258120327055907884549873414876167456539235016745013073448050585188741834462598940764529911319264803960255408824341882314401223437142010943428790747922955209307986345018093026431006622241561394204151375339433145860239647915040725311629417681103718754260180852483141569751103440338257608505446912480520889230935748506683098976411139861996311963175373585894816194607572424743912436182535890237770053010166147833154670054016202027739190625379220811318455501272922418014992779526309982753130338104675029509851364489736550617850752734450250511960824613228753612128511270817696733996659819220957948861412230907804608456453625984088945161907006076298895461769967097027028390034575781358920616350321189583334031902020270949451273568882604264941725660431755281911786816335213969306405156726983352197822671665827230918745987401847712526100655245678887030454958359769863499394479359850199881318901144163248312566265178256216447700562281071158537955893419106197398106047652639865051724723214865061508813068360940836954776787250796403612634793283571806872704547148046303566291716788696629749696372466995825178114915648389549372258576101004471036254574251632865281775247980583005036350744688487473285049289383031355764400817913662809911666250419086901729954575177386197404544078645766061794436412706089579860806295016331582240378380082920292632858481300623014197035191623667590831156481213108556426019922648713963283284090796333112016772008121481180735678422929621630440534328671799534019665438791623027699642947360878466895924525172050773452263872596776725085707976279553306446320273749767864852801377793438997735423216543738384505576989907470033
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 91 of the certificate chain of a 2,940-digit prime (205 intermediate primes).

Certified number2,940-digit prime
Certificatedownload
Certificate chainshow step 91 of 205

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009075031095 --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":1100000009075031095},"decimal":true,"detail":2}}'