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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 #1100000009030655282 2,357 digits created 2026-08-01

Value

12290100145158489215999288634815769430803528025413323155969533245921460442718138251358927778799839744001400059412675804017937309188149911887538214623053140075418163273002194988832279906011759697836560939911746352189212695368081920478479734964460813933823701018183928523679472766226859245281987089091541864240488884118252093117179843644733733265859008822772576986579898331548066888760838804003106785927747984450605014454878354884487306469334422413199862630279878460339659839885069838724779247522706644728872945434668520713189559293747154450199507025337131300172431800262441407401814184146524353163765106146785934711908021232459359905862729408937828780878452312261006872127105183101919816041799149600003518184026771014059323916365780571369743311922577215395522661426898330550672526394605573095124038529967356160897816888150134135098261580162272537283558586757393846167946668664310074745997589618191332439241915792129210151687158273323573670280753225069733578480412350808852543866649953641423099877040444144521017299882710963352746504587866622493207131866708112640632129545346649996488083485315144786834690232299294182190823087817290762643482755824947901636137732809433345002235546384391595724159086780486924534502120276804501852990902533775267556912893076456205416432712260056500671738959232508782215368230998765497399481110917720496566010487821460216986128739414637521687385548719733090124152481613104046928533607637732016907777953383928864819712241501179636833182466499299920213451555319170226163109762089482279084415022332907895953929868046655759084167745145809811726020830558379629929863643536309243586978338461085829818883479820474300120304209821685122289270791953025271306361277826763504197181415273735189185351073147968389196064205367658078730525859517240630229392502519937082533607519383610432205071341215199009719120433195806791263088622602498912127631718951596982574112931728449284489420714965482964033424311707185849345344553611052972622843106595266306800871472259105181157285999850793644717072033800293959796987734207689167979748660014314814014627891187427874269984275426908326675245001178670965968898358770719520295947749116746108979152180372892125701662556782826266444337998698705383715720841997357016258671137408051953847814554438366452931592076165348133037029479011700706800380137245080865707569560694183119044887286387900850736293356337768019
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 33 of the certificate chain of a 2,776-digit prime (208 intermediate primes).

Certified number2,776-digit prime
Certificatedownload
Certificate chainshow step 33 of 208

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009030655282 --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":1100000009030655282},"decimal":true,"detail":2}}'