factordbrpc · fdb
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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 #1100000009115726429 2,458 digits created 2026-08-28

Value

4206168766429321287534028097080318297026145404958364209880788745069496766220127813310071792279239298501477487463414465176008700185196735114172675879952108564394633573816493217686127599407339063167218529390379248246212916830819051806099753655257988011270461866071046997345770741936268798374971473057146981193905157209747939862288362832533224608428801250451529921396195420681076766978226756892272883453172914891449867754403753021667341807765067813972601312915244617686070322784018064792715215938242851933782077042231809728012198086614775885482539805932104222940724073909381596573344288436222619452368519335979503940344349580528695880536662363593112686312480520197606012954925899321777130236794718467908922280805904940648752647331218552917618550262826809857401948226167452841477424128937726803902798613762715903646193584137537410254737171590879262627103858918160460890013284331836838130154064974546844775014058768220947246397780680267794032255939479002768725564864292867939698027999459818541399223007011837803426688295605071386769946135286700594246486006654819964060714546327313415547876994123575837582237969352607835940186906309954237957670829902614510143579775137270024645474255251144425478637476573526455189796969047103189914938240537940003807477136210524986353991464272897953680201221309955689451142788591082467881136982009232085774023064724481729466807207679882780485843082317534978706987859320742777386665671149929419690931879975851736490832336753383777068121433897467448996125722498715061267415947902597451042769638721588673102513795065627475832829360966240085818312217654797062056390033613424016204391651873182449352698063916373019810077937105531949281625830476965759979062592272572991575598408536099841246317899980950585469153491310469652625220475568557874449783466982079858934186758381556610249248802449651756587144150975358057912244096729692597690505645361326739634954842644221713504942307191173028916018143071147438046200487379142092802761024960751526910247005637822439660642220630345718113159279440393107424702439902793237355818502251395985977362098887905487441929376985958887335206767445386604162698851762118641913323513200489526413905191978912235538580451249916361213448381326600608817941149800043813351331762557676629339951354134225007804345542080597137833184672665654323275962424396031696761590453799212552660373628147929632553174268544092361388778005468794650970178699357113795576273156008421252213794554459309856145827064599260712836183872489
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 53 of the certificate chain of a 3,052-digit prime (309 intermediate primes).

Certified number3,052-digit prime
Certificatedownload
Certificate chainshow step 53 of 309

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009115726429 --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":1100000009115726429},"decimal":true,"detail":2}}'