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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 #1100000009066492762 2,075 digits created 2026-08-10

Value

15725758621395416225543447203075816616711871754015199217967267970099359864996283347856387139021647296776593999007453564436801505831151897986890169274901599488713405444645174048528317079913755984807873641609812582094287978325220672535940244979287902271868332899779281744504149593970985357014868765337612293361047586454499012353314495541913106568669573972581882530336303386653031491852541535116914580813077484142671235065651562307718403476131407398011697605684971904037159449848772664738443609404358729439778356484117012618812917944425012470572407597187679514458656688617699197878852359464816486257470567377975201819613422438517180494183788207581801483652897095772961557400982172335941494043399721368191520129783644878122344191594822803135376841651739228159624136426748318039194127480235308441261494117291577107990665581019424497911000864495957344478949981588923536802119976353369381880580790920309903802626075470401181026818681970136754824207552064776896887806418603679701373914812424327948906434522448020129386138287395184287646910781575522926493828535593481603605375996752786772617936536594976235502122026440058189744917235131036807273795469519020848444568775269913762845236626081463096754271943810183388840892485769130445975096171288185058019667377612565203295206523716422310757443315524625089668772777244887622990847994883112812109461573428246998834850892465344357227862708025889742503128652334256614534075070289025980343174247625898604966851721072300958538173906886624826724393473825614740267615624067572128493741669788716921178462738743120636695982041841856133330927400348450243395455613695465861890646190304921097653913253453432727597836238945738229817671903939213063241648541155134968844909219127142275418933135399681103355196403970361530966323499913864992252711625975758863860497816310493792190934760613569577825202556204034777899958395943731899265036028359324688395094708873151377803377901141516276796267449113434418071761763784031853778326320789237592186492143536925781532681165491885229980513064457296349895960370361855514069818604510369415685157660452606581024497
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 33 of the certificate chain of a 2,487-digit prime (185 intermediate primes).

Certified number2,487-digit prime
Certificatedownload
Certificate chainshow step 33 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009066492762 --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":1100000009066492762},"decimal":true,"detail":2}}'