factordbrpc · fdb
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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 #1100000009061971528 1,636 digits created 2026-08-09

Value

2113455096961108472841566484612746180308945807922424821961841283973715561462176586288163423945771078213732653690313968150414486262828722154083794452228101333768700332378400809978649143323246115117233580672149929429220411085112190730187936548600654699328693858073778799744468967064848372307920938856334849996340507117912530362311959863604451521394298654834337732304206720997514334873396996330450258059343059871496969527788723841675285789068743697715199669617636598286063738764749877464741181468186426077321710292591474747780146668044766280035841263127919662083986926244265332892724644043082841040368931022574465861984522765563387428727351515292554575441603675861187633354906839254312394562143450764290895692147661483746907761973403278251920911320536349851138852121002799467300142214526037026044683235552495625755751629936088691620119022331270332333039532464428144616298925354980288578238631694410221279986430167776623620738953131308801573865460711070087701856776861046321086304328143423254299459303444683434043487458965184132570160849706190363434851774766936375288886049013829280600826654432002816319952171670821842642826792536164062470130707156445464154013314606226789631684589510429042900897164602404953720967964068619943571411176486988075215831314685174775003138996737616735091729675374310643804914865230683004386255361452583316907399483090630623257482488782369137079098580969300183530346073258700492262209044449314784949012676590473079420303397323751805261090062470661276897670674918733878336705022082187466993102479834804857695240164207764522416449020961517762572078388832846479713313759355965687645745790089762648428928669868882639
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 81 of the certificate chain of a 2,563-digit prime (200 intermediate primes).

Certified number2,563-digit prime
Certificatedownload
Certificate chainshow step 81 of 200

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009061971528 --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":1100000009061971528},"decimal":true,"detail":2}}'