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 #1100000008798798762 2,514 digits created 2026-05-10

Value

521646887480503957039128000711430170680578720715918946386875586406937321236456073794714489207926069012632701687502727853457736387819076276065739304600741685225711300657909116968442275812592851258819535104809049614498280444926654138935701031893961029876739866458095586999443181286532288695378068660700647036543663203274990954938751682134419484882513686893167174681145025518432583512186116787561043559479557873847056857185672926241578490610578764338883891331454912845006740122071026247466002987375670107343529344313701091263437213583028546118291768412443329558126691831972549357956898202662168392766556711710886868952105083741471421915915964481004960537757448196117794826295325319713145184588983629933475015180915592943312603152633804743008041342480147723811904135863371932572615268932867158705008773695634250076099524917406813139197066911048846237184647754130790666309505275610971178656028654345186488972594151546301940373334658645966592055138824031890173317197756086694149605620897539712064676525534700633024017975770475328543840196171927301257987210337818515610679725420157915775837904123541321815012241268511464889260374370355539572386630893665791360087175765045430422609867828055010330185599565189507273932820106002247593920404410358183425035442028192417374059918716057517068930706344225460413809568936698753388996304834973385519404776423050007567077571790090674434636128012184835189195763475227126911014191863851121780041592805147117440818475255665431358169931332705787177517897204207446997334647417017770530285353286013890990484927873816630629205244263615353053563091037198912789303274448409879781088368104925520706524507925792057799548508095754755346216179639009093065108708220670224451080514444232552774196425606627105748453219505734002321713678879175460653027242866331832314137670445837117897417516088419920666375183685105599666476069905027525680465681913625302973127463109264621409836732512510326608366206618018535689637582540330475542737761125552958893056697338544363333608323572299510965621592453490482963630013753226551668465210239777434798658850058579069342807324512413050619426595276427170396837250742094117617523391844516135929488632424523949764147695424614070581334213313572829880722342204625389372488201512317353903374195748924848165108904803282605624405878027429054941868884560661104897727506658948759342226020892152581805202753773069149675090517614489140930934943980685621705951028758694872612312005768209881380545961498049509212097926907287682226648112507659116161582995642170487997270404872641
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 96 of the certificate chain of a 3,854-digit prime (249 intermediate primes).

Certified number3,854-digit prime
Certificatedownload
Certificate chainshow step 96 of 249

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008798798762 --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":1100000008798798762},"decimal":true,"detail":2}}'