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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 #1100000009057215527 1,390 digits created 2026-08-08

Value

2713528963442681205678263334104137141442518711603044209916203960846648225671105233568440423823708934154551074874948058865233109821584509297405938512384887311935524745428329882968808861018439534515117092913046153162647584977288798444806079208800173368146781183920665912862855594254905715381208764926502334939921500006137036601560282277599123611030529741330932714721536268679326813587772297399316961317833696515952259132794640162417153807787482435526319864149430353339221111620611623669726610210816215173925653377459591361299835671710117141783372830096059491226223314380509817373525983791119331755011868335219608486493566926487099894043628040850374151735323548063273436303912706514656023713078759847722790912076289562183014438863051837161716863288757760192705147001354168543780106291960729166830992560891158695333776058812710651836514660087320924610308696371714834334281857539854225070818620607021128258139929401958393681146165147596259492358216012129265616218551543019961640674349812147275998775258480101982650306544071579101383398531139890021262764984065086578926953094683720992043168616694394333666191395027300945133383426525820031228111589910592437115797267050043367253650197149656379345490347509398218894108088679785833106410049480850965612125400903465841356142501319032064711314875562578950123398942910774365030863881342428638272322796286953396263799205923171840608058103786561539820727
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 99 of the certificate chain of a 2,597-digit prime (206 intermediate primes).

Certified number2,597-digit prime
Certificatedownload
Certificate chainshow step 99 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057215527 --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":1100000009057215527},"decimal":true,"detail":2}}'