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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 #1100000008676650285 2,019 digits created 2026-03-10

Value

196274866773136875663426751597977069061558736585818506232500676076664155993338200701400937422173524680395985470971363702912840321627064426043007683150252219295103004906278396854709686284750837265366151256846517766913140339309448842462472381021427816350722856594865545743335699059978177143316037570423218927411916222130131892242409366060233029324985246921449505485390492450661165086958745635254646407842702483519711760570860965219236374832814865096662765221353618450333936217501253990446367021918231259098193477620068857644312447444899232719337543763365282874142375097494949118988480993634545490502752981838160756391259012043789624146908633127502893687037360670361860653955911371798119471172761101565838766506897582516743358571922034839604544822573109139723430407720974140324352388717029565124679506829629256026452218405505647596221249773328889166426122318472010537045827934531300539259071522190067200536152863551211178503559797177304654635703301175217871327049950058457364585982332281223344142148460283607786351298995822842030860902827283423638916729374543372082379855726404974716623077431673604380967469286769878372170354704564676988798752611701002623810090992925113312337407082510752486162613784307949952029410813673585899953630030754315300899834060115265121680062002583888581199422164906539428058170901682161998013308429696785896576145126876872802610029155197389499509105470909385091559118383110941345016476722275966309018239614444761461224947698249426198828427604716402529071394979142176412941503230680528098587638582921881570810579421623774891453609061329309793569915718725132202835624148805552624468754650705254151441634757026552543380920360358505121236783422439493809412799772599578774927128426885418837230809805668609227399025075349399436601322822396538700720577629423658924453165026016208674664177773959221989061096349590552135283937788715704815264230941789380535555008182198042362709499546389250939837605348271953562213168521458803125787046347216864063768238141801791542578457587631119140803731417773415317417
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 71 of the certificate chain of a 2,930-digit prime (225 intermediate primes).

Certified number2,930-digit prime
Certificatedownload
Certificate chainshow step 71 of 225

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676650285 --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":1100000008676650285},"decimal":true,"detail":2}}'