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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 #1100000004929292245 1,511 digits created 2023-10-25

Value

21155411255481802939534832038843568650532797087099545415198088465194645044935000893927104127960079490155301386792193059465205775533575106952304912167090038168584302886532325140871839465613631937082172639200932404408919509894840843095036901456460782073578102260191145343706536796499029196670987036391587578892249371525294949243118202689938144720278916687174241903240177487363243725592611351165419619680320876649981643971914351349103486816052513695379488977770554277955914844074895209229077006009384476303224876797753066743092962054610606399206392624306221640083134405939835147310686385774268868168262729364705776692917725536839773898131941609214296455610956048193786853525154603506885146618711753752145245664499406736776396099493281729030130507270251552932195850443903468435191674703151017049941293619548565290408796178973050201656252955941395577426628280480842390849546682436282951588662916299317141519331977813368306638743064286328652452314045209958385409201365187884723835447091125833481117652744843763986260845915902600593405173323317190587340614617146299786752832710764860595374796560372405692992398635846767227645376330886426156990239235821615938987265982560568764500491364916108804435462386381670650344532342815131652224716640258262606380194656704695861613237041518204460515748486538471951439112394295633376023456521081470063795356799381201768500089969714784660327114269947135193235128529508734900059959640721854651121412111011482620073290519327745143291819453748150600166738163043855476322518973783451763
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 41 of the certificate chain of a 1,820-digit prime (211 intermediate primes).

Certified number1,820-digit prime
Certificatedownload
Certificate chainshow step 41 of 211

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004929292245 --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":1100000004929292245},"decimal":true,"detail":2}}'