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 #1100000009008087276 1,439 digits created 2026-07-27

Value

28876441308224859812727553979994810378355054888334500695356412808876157814957030926816066844260214579104407351876890496473364550081188565477520967710036473354693737655069354111033834814528226500629021946762267047098011781348960046720886666303947614684972021270972837424316698196168935767653819015474721135725833934981741507771026521576741594519418231944254804703392126689913903903642491275505438101764654971583506562358503019788780333390631624846405542063084373086487976840071222179202297404068509121091207828397185852929543327268762974646943303891846142964542860612362748772406259947183753363259368685770046859383095127114775329515653077256243026862747147200282857649045245701093368821571250983445988198907147073905323868617627967433366353026001754161564317818705228614672349234026575007104018591507776220508553501069225405772718746265974952892743702415577653022496848108330578425278896121276190769269692728978873767771544124838695062074694981599540030220658154394781370789090266212201541604548671949807888700500144437470796567351206330021070639919686099398101953761312868557031088535284235619178958190929369803715104878464105865711853934326929211055372996752812937889497548634596164657959844906092028132963811132869514128111835298196156147780506893464235514325115004073789360936446382024012453476030018115140553331627227272041696152730093005846179040501078371289403753554347833175700783452318442623310200431890700863267654710833450874833
term 8107^368-368
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (1,439 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byA.C.

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009008087276 --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":1100000009008087276},"decimal":true,"detail":2}}'