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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 #1100000004881011028 1,922 digits created 2023-10-25

Value

55056279328514223852464158254107747921264437124349009847641102633107362417830706932860242228146936803040869966289517004317449089620046283949926562449287915499953864358889470967191577494167847421979044173283288986262399970219401043189491122237998906077351682716267753145473123932240809404420323694916464906070387673652273511553895522144691098542630197201882728694967366242075033480013511092029690266472631168455788121320138770180496584145662455029970093923304814238279126850472888920819516897831037279396480493844327179872447717498551013829945354461293230910890673962623993809097354402419785028577243702704840685158811171702516853541310881516648795853057640218293913887613363977556970477775953352703565178334310971968378400385266516846331414585966345556929194030976985420200571260419677490244628875177260319127174488428403775738450853321357659115866672376126485310095061720639393552934842818752631796896837364004002966041634742788892134197658298861661874472765119842241202109540736117351654689061427411828084605683035816109866241424082814850022371872845610700165845874489261393556485131517273207248075179499255349366078118343459865739817102890142608470405849855005619787942562683697618533524284465368425337163385278498254239453719521869861221590803222884152150913660918208897905825477454541271640542936564409929190550843106579259393474058989669235238952359905220745414341430630877772031830988164162241132433944982799233032134685104360786157643966013326553366830084889613946419654755577864421480924991842567257002444362302133848413332790554364586016557841782535648086922665005708468718110582009988702621942828432112728737687953182331461143088768011626892176340655156021791603880387309186943563365503335803041224318383731508511361426756778710031011540163738719403581200036754079670013009142161022272060433816344554578924475908623128277781656089104800580937527024479428105271469503233049802889338643563602886905048545147788717
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 52 of the certificate chain of a 2,375-digit prime (270 intermediate primes).

Certified number2,375-digit prime
Certificatedownload
Certificate chainshow step 52 of 270

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004881011028 --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":1100000004881011028},"decimal":true,"detail":2}}'