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 #1100000008678602146 1,521 digits created 2026-03-11

Value

806511428266042297323851152108630400919352547931281133463372619366760845176396721031563026671253168669407470821008115670359505800215452823903251037230172180401821807825347051461182175867796096801895814610986785277958174477663723002900505994468946223335930775597224547866067719658187407399730288680103736530665336688647119844533180423274835434971836557815489519856315283225743432102581395843781319808231873245333433863463543545235691791491441760517945370412812441508572540109213108952422882028994333335774521128287268238086152214980210569860473441942268561748604592723429200622304985261599248993866161704977274367185062130571417932280969582991231407656458739001330344565222457728554081272013082487529248833094118206730605705571862000361476580041544384429274348837519701706514333404052246465039398807843991727937039075721217678244702200355297612109777868187864548888569758921028184156657801351800463870246748383732309189685143507969490805670029487651384367110446897349889804541117343514664612948211570847079030577802300770978620583136339144482477530408525403209392229290522762215164104353434941584006993145398430582467300791749483416991458977804988173768007631612743141139261793580697070238079939177699515720684479616053405266993232111981035990981134715470230166353054963403890638690128060154008589255118693266674708218297045684628104876165630016063537847219770150028061563218568854455871773475557647322881331131749779427853706483822017786286526725335974184771150951868144293856826963039967527903811826792213867049710668773
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 2,250-digit prime (156 intermediate primes).

Certified number2,250-digit prime
Certificatedownload
Certificate chainshow step 56 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008678602146 --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":1100000008678602146},"decimal":true,"detail":2}}'