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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 #1100000009060722461 1,677 digits created 2026-08-09

Value

409392883421320519215309555126359921347798279640148316644825771674429965812082421778967912876364234154577693886876239434671860738463876539970986803752796042472452718907009025441453305452868646011143884173849767169911598084540952321320491097860437680127187474950095755208956351641268955286680244290216959514894386297246966406098787942610084128627766693745441965448033694933872603112949469100912515734688770193771829313941592199680367702747010947183644417410295143792450049268778797534471979313626353066214322743435293889423679757642917884294150912478903442735293258160782557954669600292531602807510521812269888192147241255746051020322554954214259501356643137346555245109943710274413540239381297694852204696014162382370309616592958220101987770504278188006405615890868753398546871125402866952041204501100947557599891813576840608004562182118067574560110748600498547877977891868681661209002134194950426817118911790512676894502496112001847894765174205304048436152079153632116289969177418666739665607150507103325597585859515461622084628066976932506805695748701491716764036535114465658022165816889378575674396695254423457379567462938707407074743309843975977639643023149459850089159634585677935909963053107636981864492264372420216040973815759514354029522476563948086286109286108211943047951123994767345347585003468634732201390440674208076044654344032295637172921162071968650825021400226659780004472733880407157552744620153603529093625474041055757121090263415219911276887162003244283670508231953074718168915413603775510573040802038838666631145925645321417949903837597828187001559084608393148467044110469265450790110984353387894416023570791115691782250702676741321400365581940338250171717
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 65 of the certificate chain of a 2,557-digit prime (187 intermediate primes).

Certified number2,557-digit prime
Certificatedownload
Certificate chainshow step 65 of 187

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009060722461 --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":1100000009060722461},"decimal":true,"detail":2}}'