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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 #1100000009053961441 1,925 digits created 2026-08-07

Value

69216072902152359670924131338325524493823331958373896711545770757106827226993329808855302581249367489826947952543932747336082925332753320740384276233855048915905163914418221169602865908210826127516369558762508008080619152999081487210354127932060637641521818828367926606763457030016264598288759153309766017421642418210899365284024681954100364686265382261376806995350068985073470382515045598178225498836042630900229905679341801917555210742543626543654500960042370873534225305671626581130426944512953245308349637360405677626817060350542229915733360948356106339307829552742621981678223796517156396817246109935334184693256615882623102590115989079664475512179775549520832887311766036222108807253952345346187392149710597193259742349335494527535814938669964022290264742727103305154982563248902828900295371610119315885823095104832372224546903267193735520652748060251179705682475899314272965166566876507247130008377729569351699387483315050902960790710090112202436664102895273383216138295680127436475183742594241173522314242528087784834589989490296734892120737335932398141490302552298232750839685289417270128084729764635948557976824182046333049501741955419882636776774272578796882802420196525337107343079457967245705035075856413276912830179199311994908977104605885696316673230657622775411707742827379151269698446656270875739527693912322094077264782289038124354945023497338896727974249989051555816390204440269954282956417680456786299753982102599328115571802315419524907884963814522919572704863245541838839751821104624548263399944476410619726149447057938871542368484159842781434473587281280397910759884043278445779232504945256991701712287668316690024014203460485691127162705241625364719542397409605709640611424321562099314451113093165216345877117007288392767050531989126807897244080532000530370975110032251531833571703781391801196716697237685470625652499191870137009144253449217833916451866114566880980095699397124761150642230988454095353
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 33 of the certificate chain of a 2,306-digit prime (174 intermediate primes).

Certified number2,306-digit prime
Certificatedownload
Certificate chainshow step 33 of 174

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053961441 --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":1100000009053961441},"decimal":true,"detail":2}}'