factordbrpc · fdb
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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 #1100000009008088243 1,891 digits created 2026-07-27

Value

2571521083640375747694063329109056632347801851071264099201471876755008993377573915032799861995146345492094009735648582579601237472020826464460091057668462199027636986998958337426429083133584195419101195757270051746051641293087951026768786960386605997268220952650239622546790209680588087692889562948556743960388580152946110417542081686769566905828427860295335189569101955432119795521631764572358254747158529853639579111698469943845305357856852767896585867952668065949663364538172766839799057960400965308252201386226993122777808279752094558754823134605061209503050487110101736457894359543777559839507745209364481911538623133903125486721763105595003219042402248359029415809537841363592321369551901556811977986775403985036182834434681078871294326592115683758757028816002424909301816876438729710842167498604506538000588216331437545442416288479712526519835798761475501149680166012314210300797468941466432140688454750995823584974124120176766835450929034558179611069035628571705042622550494716168837055389778840566990182258401250923944085547073124915892722858782915685161967662729810041720219688830107365581191951007636920362459947759922404773689753749951083010026567399099272852239326330785135031094732145544035591642765728746358592967555588465531586050945258408720608546173565255695879701270549027954675782594258980716900296290691178496386751710452840920026141019672535253534179457809413850289698953651355670166445757449881539932302490010070320277980757357683465163441830029727365810481103030631635498500898852806056006467411017716830244626877355573248753230857207225781927016481201359068168090171015818609905716251773002938663306568521177905367263666076937216182214559775341220701261392768034686005151326697838900898434056328314425284778144146709220802867881524297533877900243568854844686438082319052531919296630073436923047744950806396524031082449846864236564503158888328471221029758453369141117
term 6955^492+492
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (1,891 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byA.C.

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009008088243 --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":1100000009008088243},"decimal":true,"detail":2}}'