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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 #1100000008676650531 1,895 digits created 2026-03-10

Value

27609587125413076328761539358628877482425219110268418526358751372651501256472162772812339830642487908566230027127800045202011653962932162037299210213281198922476697801870099206433916793957763647123726523440787300747002378143410010015923851312547130240710542640962176946700298444398092221438723654027902826965231158727800643361239837339889101641872515384123890117844039374266281362737757136382956647646375778213170847744577977328549213188497274497144118701328594543179482603029260258316142731472759423201820273532408443573721278860934247837449293042444413931676018439140855045698013410234804189672701302812425222654934411407082697592255106693300597194618642346093277329962043904730030156191710646742222434962122064003931506867851368726919338119111562217841285574591143579291479393879302719503121346273133006019292667353522466000725457026238835937110173043262369813053370409613500395761264777221089089660123716050276209297980294832040609105877120849145971648363147443262116396157268245781751663399544908746193017058537802820706168024366500521263997741830594762192088779752154170032915248109769418603860887426322184415413840081516480287682089226144497215374000369985685536276301280331265754827512498462665290468307661232245577219590466973034072484988362562700079640010532594115669146783353070719793617244479579509076870201156012721842516805513921911165795480396866486379357647781092100400440733126162096738988015443801749520402526620830237779838487155388099197115836030560188012221009890173506823075385960116751688573027670524208875351953509892817261747886918000740278366832304777631086143167867107602599826132680615520302539367843521064585302245809821288968077754480692393430825067314914961420805873553445807722913004292649373676991214706488166723345716281455843600019080207729248538611135144378942764140193542882597094688094417629324865795736787220695669101897634780600667583224294026875955901573
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 81 of the certificate chain of a 2,930-digit prime (225 intermediate primes).

Certified number2,930-digit prime
Certificatedownload
Certificate chainshow step 81 of 225

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676650531 --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":1100000008676650531},"decimal":true,"detail":2}}'