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 #1100000009080586665 1,828 digits created 2026-08-13

Value

2885871043439099602491724048139398410777150947479099242756010754309781994499017184752891590900120665184187745588636451560438890363973176575589618554753831382842195489708853254864420829151619200604772601371465201929817605499041105989910151473493912302018434403151205883248055870468357826502888443467544983024367514085878724717459835195377283899606449001400458033895268152609546030006335882489770938473095759845100443800683860740288175463969303924422735305691576378233069285300946755898051448047043375481529139299231643799814239457759131020669746828136294520358463169695830102431232712053484731109480206686260715950380084020724179502514655279756798331843437197682135035946591360105700776669343479917470740951976120103593415623649443761475391617465309126314678960566352746611914454220407745801947941587215368970354912750508365308064087242220140760076393893361127750535363411084754295515560019203187909596295939406528252672591775568499512645619117329583459162570666318457846298955405015149505643683392625943665707407332631608340509394175478693539052922019746450285241210279435295100253726104925315434768603148762267512237230256632690526394353596385761367251262848165592487795740141171129152066330003317954156929870833774526869428940285520651991454968330313528496284735167473712397408730736091051870448321534560567541304581940812316897292401200720157784487959682235696797772700873295512658394185220066013945269174693014615866276283423742067981090737884694653783864881653297155728786262138718721386183877466317157134802511475754184304148585041569904040162706830231478368462546823975209320480657286293895364341648413105022364600063508645208516087912421984421147052461520675222202152132116879803765360481594258363197291387047779055123156657781112562492043569499657507081806416757455623399440906172634391508077023643321385701263151558781
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 33 of the certificate chain of a 2,179-digit prime (183 intermediate primes).

Certified number2,179-digit prime
Certificatedownload
Certificate chainshow step 33 of 183

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080586665 --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":1100000009080586665},"decimal":true,"detail":2}}'