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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 #1100000004959180918 1,234 digits created 2023-10-26

Value

1428907396673830860042133417865288717025100294342921252050290181332834107766833775357249504553644196407776097365647117810635128469127277797100123733214196737700752628945600107015535256287259905260027820291215448734979455675124835795506646972135841537639057009518151156036759849968508915754162962382847021560066741426768126757240410899827071167279698964594369158344935733959505666872022660995019287900249256952950623113804897595956352468058440175817191524322351774475382421947636069169441088806696484957893764766284657974808606607775125955772725176878417277052898849447797704126239215025987804614952932692423341957652410631708003185347142972077371920979125263275433507797946238682505931492446461114863598070709141963121512173377475195773699826010320771514705144385360402457496093814862189827550897344059492744376592946545799605932428907255232847591850796968268986128669563620437770963445745859735551590342356503013884524700273747021612432429344578748689279635134137799431683462617736405176086340637951902893099261919267132434311138300720628778752375781229885718024463011136230777297908835305443926878219655952926008859555352167894412321360308678261664423391503800804554021439103765542681965526268219392347544035966852978480914775511909
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 12 of the certificate chain of a 1,381-digit prime (153 intermediate primes).

Certified number1,381-digit prime
Certificatedownload
Certificate chainshow step 12 of 153

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004959180918 --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":1100000004959180918},"decimal":true,"detail":2}}'