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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 #1100000004881840309 1,957 digits created 2023-10-25

Value

2160874919908985787022524466697548682568343212561793296611556696254393033723913985376387269107031206006198187352999632063075444599979770423237976520588847986413659649375296325310369289901793521302479104002909785574838430948518588324104634380590465678507492292323037859697109239344767314982065605148924768394858122497753657193477545970847911179818353060515887704483403891613256202107171621707856495817272047169961643836611669903718168896165820616100515587101941393123500760661989538531816424967554736899007752105925788761318702265298064013805926021871983597242859242816136638068918178628176539971525102699909402250335199966029033703217882601426072395478246756634122119675271889611716174227262680136755709409991534430428093204317985986325002598314995583300001433361971228081561711590049862276261564016305725706371521919052069424108519685445957396450478190653318909753923587799861366907588708485455902520631901617232224325751726623293394289818203110257934374723727357101318732386537573256388643627846822502434623878207994022866949038290071675946313124916328667652095310912114234390757872587672761267449905696369742233339918903492631076047999795762634176068932070020870484049606858197874570743302621047259566678782356899308405778201678175074666722645750808337368668190603750067842282466102792730167931759353000629995417283746649633793159799942210778961848072922943789297838613789626850149938283943690002453044831332342261963751222661562315697840940111886344098864337571567951121226670008274418635606922400975258283836561692488687135179246281513977761688532420095790121413393279673024923952239279923870863690193686038856165495751778165330949329442517963923661957040727444561172822408630774452252325029861439986418299184156127401271735877114042998560407607387623235011389324020093940233867784869941157290946766399676696223854424999406715770268712286837598615664106334124374050660139245434052728980343566421657466381571207441044490598219672795112683914844934705583
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 47 of the certificate chain of a 2,349-digit prime (259 intermediate primes).

Certified number2,349-digit prime
Certificatedownload
Certificate chainshow step 47 of 259

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004881840309 --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":1100000004881840309},"decimal":true,"detail":2}}'