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 #1100000009091077318 1,887 digits created 2026-08-17

Value

685030348043746112093478032953941992135414850591177358187603904845478374983728936476923629180740832755169589895230378282328375454117252629701392157201490636166755343117862986818010300218236073142842237196186283869975598765367564124996985111679424535909100162398363693146879601557269665573907109125098712655318990357570580876652710979971120119764401054139282057593244025939852289147670194099665392919371835659704024584807475145828445526135444919560100706562661375070282566723630186255172470787303489564754808809411427645693719563162096257732423863411078826490441839273851415710022725235840368280257261559153999020852253263881080297443730817393533818254348765942864932052488830808936590658868510584053278400854494201130101282048372705036519096177952300131849835009048257270156166480316206248993731476305057882772690481101597082966841861465405304756515035725729469300515591565379457497299229839353777601396039394491893089263134672411608054203782795443606173577492860576925978647439427969880674264348209756287662274719279532330548347057639852179523264414211191948815561347007797931143511861368024751093841316642029845625013882226033120298527021245405712520501461061988843358536250658713055818110760434835116358947034709273182276885999168733250453391952409828689970377398573682163877476276933271750315691288717886908644362443566418975516790976116314168953875875663361086462307231316416006867895449096691885608820078949347317581740470546370376505640953089440603345176328740385424268371373247864801466727504690205424669525828715356159983953103615653082009989553062134819164889540888376845367926409535777253261931518785482879779457094485343994116999000435165696554192763200547774026554635661889237575107226907522834145738176695312050376412511353115198586805052551505123739695988521409380142677207674636606326932969674043190275469250011315816136466993862824013509154064955374540055690351769555177
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 21 of the certificate chain of a 2,084-digit prime (166 intermediate primes).

Certified number2,084-digit prime
Certificatedownload
Certificate chainshow step 21 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009091077318 --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":1100000009091077318},"decimal":true,"detail":2}}'