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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 #1100000009060825799 2,036 digits created 2026-08-09

Value

43960883128926811771716440628963990661250382393778874234830466400262463048369298838432404428855868714603848213218558317096574075539088057592522010571502510636545245562275994724249400290641837805278653816029399576797203531502121517592901385738521529914518702734570298507617030591144289977941955840488800199579759856219124977789382275484503846850638079982691638138856472520019958997285898767278410588519618943572670170432251941984724655051293992589675531872328864652582719444026692884831378748556830319844833186590057165250138811848336466141988217536077674966569995983209863139498437351622893143210427337557646495323228409387151860976744281417290411053408178569856459910270773217288649202451588515969125766880556040457843825042381910335763458094633885920576420419218455510061224646642341174262298601122377087913814189006281317408858910038730390812715802082338801906445612393217317877482839721399484692911167793628960062084452198201231056137521252232982104210472229852752364818168417536327143923946831560422537398439825750558769092935414341961764608905658299363615462148895668062393488294709239384292183612790658006322364295720994987694531021813038471629464461432552535390878631785866911260508842375864317861467941357561596199917264406401918921731996720543805392495018463750723468443029327877955275315387856953016192380755171623463289120422622863740929850044612143473575512356634738501407626429107435972617116747320612477430067705170153315202692843983574284574207530311898574655982668975109939187260917053147608987869894457110119366666369319831944882616538285235967482668551939425008264693151762885687140460717356523051216539802857382959663629564333712123059203964687915908812092712867757887819559991827820356250846544710766989889165729691187791022085179139786858780338856457809432170200730062704457760656740930112469463977133599794566257154926836212732259622488638703172488307258442319098279405035850865026923128581969614901857516380209997627935864782619465198095439220044520197803520939032944108374520359716516722455122423785626285314493
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 65 of the certificate chain of a 2,900-digit prime (209 intermediate primes).

Certified number2,900-digit prime
Certificatedownload
Certificate chainshow step 65 of 209

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009060825799 --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":1100000009060825799},"decimal":true,"detail":2}}'