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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 #1100000009051496688 1,872 digits created 2026-08-06

Value

102122582774134598505376807920370751739307833305251036934834978752092723099647836003572726194250675153468279124786237387456527963612130132609945969912127618207306677884579532344602091294853367380010919500146460031121763194036613277555336189045599413169584269403156301564823371163503479655903467562145860845686926108419044696937160715781074751290692077800273188718274363811760893726165019534946172794647501714178979963289159094833017900532517853895554243586292132842476839685728641609142346041056407706215355879905249535256306778837212144210192719372681271541603695461023902485823350077059167852586956162089652828939663873032011549168729168130991352856712891508765743530495847728186788196746945658656867302008621735137950280398309655942368301427906188914206439894894929891022805832376773859335733566440745241752253216880528029554468902872655546171832749385873800033298241559337933594397670840258888716645402058061040146446121590807113543564242738876683916781340747053629901893610784107047548008855045678884812851338310058004476955768926319029807165372291336245787532958655371993655671139940100338114047986029041558661856456868577016267087292459647443179093860722402473868182057643116454769267587468126341600246254388572026961284399863245611714631488545650080241021943223588471088133050540550151559761137341172253467224616919991720551396528177890936580258454800644498024287852678406792380840920879656140109781640837206361393309289153170414425028087348544079464679093877742530808722128190268225891357549840752604648574779371581977096398461251197821530616082352010751214340592580479293666922397750266804581595555992244840466406008163417987463973028420609767094456194073191279773779555248566132146713788226332366442406783284848464884109849055955256388517990866138430458412174872398290802884214675910475093287543223851631745650556376406068255116526644694101480140352296350710521
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 71 of the certificate chain of a 2,820-digit prime (205 intermediate primes).

Certified number2,820-digit prime
Certificatedownload
Certificate chainshow step 71 of 205

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009051496688 --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":1100000009051496688},"decimal":true,"detail":2}}'