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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 #1100000009060825756 2,205 digits created 2026-08-09

Value

602345731888443969378494771677065688228535153902635779624478903273288423866119355442957292185527824024804295951381738278425726009385090976119739780967294176504757726113319611183556970586407498474173476795001535109486652091435152164444051467565976555048678484702587180171860957667442693106742797600578869907734742166002995167263861770389000606660974755378076647854324273948342703822231307954503513760481066134746948753242894764274314643552622333705243244993034967460955834506882995191912060708131956444059073677354819320156219731521350677093034798074158158920580296394566915142075333741536516589295139640717197145292607024475117607738698793244490086585805859558058178837175049216167770107917151593811701393543204726282991385349357407998655475433027819944744232259692871322512102472010069800196204534506623915068538788514500924175710471030122284303669232260072313888567120615562296499003956246548412636376248176515067473329629990932255752592166403060491919695810139968694242370041151336687515747087669560616349674156576211841795676782660097270946594990515628302635820917200820369994335531417841999432053906534606284182312718158457447644356562564209702652381957803070291660988224605455714291129257142730826280190827013605511057289069305118929934810155148638593423762615833771726116939054069541363286192245825328005968962887527260360989962521211662326599166948605263603871527901691866819575299542149163606994414585987626288499507415558104957951329452888091389330850616615478394174091008955513710234084004333967262811536001149293962365430588540134474289817861780085286775156806654241138055264807256551543209828147175355453240995420164202075738399051954245622036280321417070366355511780545895509687012231413652876753780021284283754068929001968523559583282237485979697270862201964067078863989279015864378791011206525363255330490292615594171149248694055366042576789824623212722524366578043798077877886104189554431661390688684322832794178040291989489405791137977295863431158211744583608192966908383533468292553922907970642532023333075280135870844975030533446789117212200135998331358224135904967052791263112312181463154773411433182318396170708280201386209036076271611494878932270051132423246742611937679398403081567
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 55 of the certificate chain of a 2,900-digit prime (209 intermediate primes).

Certified number2,900-digit prime
Certificatedownload
Certificate chainshow step 55 of 209

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009060825756 --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":1100000009060825756},"decimal":true,"detail":2}}'