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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 #1100000004870656408 1,855 digits created 2023-10-25

Value

2379938500915323789283833354006482561081284055365509964380205204210225958526945142918594945346503048346371231422555530633542727345183459580248459863732481547472566216541437511196334094833246317903545524699448099892886144213472393639153502068967817577699783152079709576121542371751268172611513483237494778800573022637881879190314743008622122887989069155582451461576133762283307877952887780390476187226617012248688678954912595745197795029692277280137682194453397164001376940766655249654466956001534426354933886703693791073493018305796166073238912872121908342794285582651689647742294641673763310382173171137250517719333308967656713715825734998755214329362247278776711068043564356301585926768194688641804424848914809521152994018770556977341876053086427720560738517227098048925442524713976196862767183097923132334860548390907541553534619346709098462240651126921212724652781086947609025581023875334951590702940853924034694469288364858668809696475064320297021839056897808676879045454113602944257965182508082027903803213884830054246185178105246950890450169016624577070505444465529709518877294090283624321536676170057124539632137430452992848165513171644881577582250719027831136783461394209302462915060613119541005277173870485130531524357285726559805752108641723472709417446009528419889190315139489079600150628156025942692342053472402800071975008895183298965611252007117719652177354423328131239758233209222116438926768434909275707468446537287904613272759195126682737201324724431382484556999352873030106245480362466799566986333149520732788821428845954712701753836668376434981302923591503679508755673557261271855824466421295476008132816900577096370796552537578134939010516249855555412396631266881141744070257341902055374362901841793704587650861686950772100100151075535886673743122553018235332750573943056208592005436486706510099559188705243725859508106530360491856377
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 76 of the certificate chain of a 2,631-digit prime (295 intermediate primes).

Certified number2,631-digit prime
Certificatedownload
Certificate chainshow step 76 of 295

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004870656408 --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":1100000004870656408},"decimal":true,"detail":2}}'