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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 #1100000009064223692 1,709 digits created 2026-08-09

Value

87417389341231575057823195864411350805361919294148573289654262140644514187591976250443480396102435817041395883640845764116731946873103673712167755890034764162404986671090226529982836724139483326004437794337856725861022312403757046537867995055586600657260873143919304096973558352753374144339940660104752922433426856835749838853064223360359655753459130471432733003384500355221813248233658842677645591470417633526581331276091162160556416031560767278205848053347599237912122709824612003239202897107794484023233486196771237116212852699121144529252009870319233620602242193263528374781872273572175424884056694197546868050942976264438008810603532932932853850616938352978062814724130215871708038322570413301353418940010156941700497117853123165692816860470885920863777429285067083161886030522983330870310888053376348830192286650087435842322547663651330707273389694917737133114617427549385116724400650330177827461054854570394047741838480808957995179425829089269757880953046902634593689168540230196333389600597223351551121069460141768152096103525683888928219073571798285470654364210203236047743042764274515209332822908341208942659857222547239916589723644534013183069735393612567469431139722245758221051545673243422295203527619927099903303434041970075642100130103798861360828644786816666673930373399864534557666864782825425581543165895940593493740745176756355806786006829444296432374159110999822989536892806044421053711445378592390625506931432829615880426264956719043694419064393686071758189822994350143627104327823756779233301297796927966335525371242684325767935329489664862636024369773292663062489005518788486965665986196472215210341505297463156254731129278691096941142941984479448788933871081922557082993998983083950573
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 44 of the certificate chain of a 2,290-digit prime (171 intermediate primes).

Certified number2,290-digit prime
Certificatedownload
Certificate chainshow step 44 of 171

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009064223692 --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":1100000009064223692},"decimal":true,"detail":2}}'