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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 #1100000004938057128 1,242 digits created 2023-10-25

Value

530042125259034945779579097857511789440114308204447503652105753175074957141106462762078416590262767054068610335553355761193769266292277302745413415130218335531108822519688045356997316985977613030687362558846533604269419127718703078656368325469117833816509884846208652521441586744322931395272495548499628459068422963353430119337250196219023112923220962810717617180043901433767397740512916391860308614789985967179558062094864497708105138387206754281055453123898649887598713803197352223177150453558215870259499480254165127592302463227778120037255710447607171211669881924858613827093678333607936933832785665177349705357328847224147667425324023055627996742093855894489658294251644219358049190334875507355720042793623903908042033038541439219641829196392255300674902957363477552515383632688044082419705641093795942239852022995874917435024330713054127339972433778415337457877177099351595266584227825822635821540808845371832255254843187958394702982909826112350234219587009073039507140733167018687503938171896447114621673340439537086001984317706030633187621668113727663267368329683589191714396643863177440660413074569997998929874755877510801028174551376788127980761058769623677371615369677382559332646972963852293263126358184356057677416510219750303737
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 46 of the certificate chain of a 1,681-digit prime (197 intermediate primes).

Certified number1,681-digit prime
Certificatedownload
Certificate chainshow step 46 of 197

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004938057128 --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":1100000004938057128},"decimal":true,"detail":2}}'