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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 #1100000009058004783 1,926 digits created 2026-08-08

Value

869961552920435647794795142334852825737269749809638513169826104567104999256288229839751500093533302843513149784281456800694103419713568329001266664037249641126642306566093218801728393122559207791021921548389292831421600343985443367168452914755808950339720718854571274168705806761797156475793104957358796010524748484710588246058495418352803904717393110701899187500272330943700293406590059117608006654302655025524251860089068847357116287617922555318919996447079206612897509952971608166044400108396514680468888599849850629923030145982354302768358342698788509640911393282842005456916530760628665615821110987353545273120636733639903962463613993275745692042956264697048133321514546803998463373775128589873971374943278275954769312215100050352357194049830115568850682104160826831719913452803049830433934777003142431682967773714619961675195810432816227886455378374931485997783079129539487725639212300989221229393839200458729203238351717497702141275918041946064352903497298424504188195808379483648969581846191744819532804531658473195799789939501414271043001262966554561776012021776837481510928680377889067805571412660990402008509338259312495908231436168115144464424493571386000803710941351668207335967607466404298088172020717828485029543252981570000157211365585470146836124698698834672909024647081984197090156262093867822859420257833101723189454025307398826113619579377736769998021120486475601877256375233022901656106470115929849723068424901890269665690562661723534930435717346014186684663661829873706506790689159345536702248264372809386427229537105680783817426929017465577795915730937608471352649319919728707048797642715769719082089632052695518895342881721514998494656760767057709711897551352822103115708608543640595156184580301467593545384356065599028110493600223789212629608079236488743515714103190643374122912205485886548034514482506530858821674466301067086498471981229364876692977946337145984214776963284934940097549160866519340219
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 23 of the certificate chain of a 2,255-digit prime (166 intermediate primes).

Certified number2,255-digit prime
Certificatedownload
Certificate chainshow step 23 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009058004783 --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":1100000009058004783},"decimal":true,"detail":2}}'