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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 #1100000009080405660 1,653 digits created 2026-08-13

Value

184772649096207979973385742871059617686952989628671000663612753889616263066610674761219649990555555125484919562284980518469787111879050054127314050332654327873476880176343385076060884019766245905966559861109492125521956598647977561776111151898122360508072175763905743336240633490549425265403563546481037763768010201521656565121507758038034558292494929331207622748885312444919967025586522478836629939474050501775687793153766527635538310725628328545993835468119486389262440440239333028668189502950128667897137159479714325541402902941789872849338615144795793113740694530344348398560703485060425128301324332341666194582129767848993853595850301748980536127282624091927716683813737525148279274323428712387011090089457798776161707252469736379768055933244749305607982276093058354810001485377711981917407675231776679010358450590106689461884065058982705055764099283087421779495158756884474121693026438247026325733445171314128959138893066743325554617007102478160091141889879866565120615682625271223093201334857103916328300857885314379686165446640278712364720366584607313917341602628556138616273264575193215417872535380913390029601721878404331769547692242796303772271406569751505718678216008427271056736240379475465901143745143202770435227377163267670826325304710561086949783204224866585474183913177536512049689667016572980602074609486550764960554068609830122182297487347971459184283340283615427629049653219875051083247821003474224211636200170233981110270486887575762346807071943143754686547336789735467050016140372402330908714958264632316478620239095500642157284516313592045311067152010741825565578198146281160078764209560004953500213439494265959547860292014823001
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 22 of the certificate chain of a 1,921-digit prime (153 intermediate primes).

Certified number1,921-digit prime
Certificatedownload
Certificate chainshow step 22 of 153

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080405660 --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":1100000009080405660},"decimal":true,"detail":2}}'