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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 #1100000009057950263 2,033 digits created 2026-08-08

Value

30583280391514428814138637229315774742103112210622796468420963140275513140698009990729692085498827490741902785330723029980553331428100158818942183339299631353514312963021104490555604488618508232285816076298912590422746407462196665796952630022410708168970837342594432394530391417047531452814032570704467444794443640035981213690819524738492250183720853753028668567529791486631032829008907363908513582607230947218046054606462965961514199202946896503035288243007646509980548726496044630550321543473666442974759183457504622907155069717816974775966716051325049197242315962269199333047261680213032360515367394807414709046969588531389377148974228343263646148528815644283227885930853075444161243358443442207303310967713481493973524950688540947315325091605324851141385421870251832965105003716522895704634579987885771151027616369773963321967433556424080994554326775679333624705942175845359944094017688885938765949518351138493374959282966912030214442666947974249178712088745302774272960294257650466953425199467140958228394329914918462808841076518072047926451282877494205704484957230755086311534010258521390503095885770964289246515041300628910927797628379276726742837381055269647167442338642727851012372778405578066842720620265292612456800486849580134008785552898216082631573331278290531404622670963746279553176873245660265313041610727424856004413877240971723595705729192597077514690605735900892701797046526520054990452129095999371329793409406086822961973679629516292230232235271173760640737868005400780170797632483469793858149764076085902631798937322745833840415239952640387619865092690981072651007701029745036733223349310729113245384876347842888125728736311612303251480332799350128575560839708154140642692650892246893956073568387585522284339372819413470492973718998074554690547626559820610480092904550680877650695310464466041628965165377483195002918600834081491527181393704557366429629555100104650375638858163736947866190446243327421246745368896324569560844963328732083207858990590017348381909324559364176652281944211472304500707205210520552863
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 21 of the certificate chain of a 2,254-digit prime (178 intermediate primes).

Certified number2,254-digit prime
Certificatedownload
Certificate chainshow step 21 of 178

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057950263 --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":1100000009057950263},"decimal":true,"detail":2}}'