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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 #1100000009060671062 1,297 digits created 2026-08-09

Value

1721082435862972217372220621757164512141015121444231383384477564279099256966309832141374299261095633497178873688053636014258841868603861309923932636247845530913590619146704436593555068259745355338450006858389860674356189609431152958757524138824577602769014424120644410788748495261056953327372108253917856559256739600768629280288691759866954208182388016765416949799620086235355000780408356402464703371818785353906441216387183984345878588398762724979700773459838450075976014495693586315351421668583604047053732035992465493590942761698281910052279326425825581479828576939916994195349405303413051878690172850795920267199000103108208194052880675741665163875967749419816052149216824798682573755672728723158007124838420558315689175959407942166338819981862707615188038415318520254828604238108433645751945367459456278600157001129158759194275762182107292558181162764923813339884712351648870446729473285862577937311427970609465387660268224175023413536562157852442183834358282129804464170708712403708692907222626311219267220323991623237461987014439226787686730915471714585490218621188320292529726912914735302305428281887065222484851835716676196603554922157252527535794021191343704320275437764454493469088787894724269667364426340586662235331184538353995648659479880203471985067849127596866764874874166389748219
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 96 of the certificate chain of a 2,616-digit prime (194 intermediate primes).

Certified number2,616-digit prime
Certificatedownload
Certificate chainshow step 96 of 194

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009060671062 --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":1100000009060671062},"decimal":true,"detail":2}}'