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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 #1100000009074554588 1,999 digits created 2026-08-11

Value

2280418551571450930527688202375965659460189671622196922081055415457685707512545740078237216861975562013123667080661317821632281118452312580190129675953236396010982267315785633259685131305273805525245113232074604806265804604176292974671390729367851959197764341973006112563884741056367741890616256566576697445012578622516766978635988360880811877201858491778487274406589326653561549042899438331140066860363540163972258858387830279214921345865955874869241700203816316165567416793643724897189739603671456949734067809460514030971440110732898762648492763551464013184836408704839428182463535934445373573965907289593299436119356249205663000305889363640892310768627876530702639879683752997192930086500127389609120823155723878691681780091301735024217175369708765167133692057452394241966570895222086819030731130980562643903100865524922313713539812095017049578358684842731854384524477899327493205388697243466005080401215677073591138630843480645540952843157983536614980734293351934266849148367922594595587670319431247041109671972543828548286814992758092468373026627370387595041780783011266854729938361799539601802600607643095845839093751620218899840316334207488878499401605001978653270038976339565539161013355502704617982974140067703701747061220536509857319280680377351596339222370074954662480799664490686546476961103148855982955221669421620542190678462524576247732529826272312138314686004288583867462214540967533700274438409502655540229045909288481297152651180701004358825159099019087268666036901916663800325101210748039336842743111598667063258754747120397416031181921879509125430526049410210203847762579174087038629738422628191092439839851768720423690833070679481548676192098882583916919646869147525895295993891777149416336545843222299366691351627388770581601209185587903585315055488705718807734107471516793808674945940578678655610614319474981887789791959890651202437579560309443067855905460359768562870827935703305223470266502421657005442231852890448453234312192129735656571955492913345414794441217997811382617
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 2,126-digit prime (169 intermediate primes).

Certified number2,126-digit prime
Certificatedownload
Certificate chainshow step 14 of 169

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009074554588 --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":1100000009074554588},"decimal":true,"detail":2}}'