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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 #1100000004861550730 2,662 digits created 2023-10-24

Value

1257989006535449263073720947136941003517788574897411208285386357634557973903528149157350236236372791329552241726375122398879285179578771698467049171944883128271398277464922775136054246596536504914139923802717503128951461447292910529897356091351120652575139107442242922387395020116623098834134406805910218315780460390817411506662689765426020116702360814673794507158509673448605236124384974139910048177516709326057046753760446153449220011903473120716236628983585266661518778714112815596657140194741270768236941831124227307814185490943161454658824191859563571923533796690575255674421254824661123840184085884171701284326154443079722960505467543791422099527414157278724483445256930163978769463503536667536097789583164032849125074080243665084300329924495975167644146082594136917780536162042859417865079110802260598577672593057982579508817425178148193060981157305313831411007263032124229269616894608943292826149628093132951239284174917201620066623654033560994935651332685330845846334546597858230559122623858506151069915929565132674937845356413249650458252716615775084461432945867423171012445094166313033952668929381370574758877401948404696150533774681231560630667179811211062205535177730071794007177833987873153517286595655887933863608414720185538211224450479459922774173756975882026673764309322111624658394136647611477331396210078008745233330681176155183493856522183649046779229158615281976067716536565348117584107566603091470539802825074399282173692286221891440805815288820888900013188796410972335446640622487311555952889762551852416087254288955586296240815719938396979075551920455466277018482760587467053350516123191405198123424710674023244381875627325835867928987433348733782524539922549743784250134111922768247810426804187088999511134563612668695773006558849061033554137606032899920291071438057518171663254865828490854990670002114195217222947895016056834660919427391443362613266452277000043423959769225890791037063021001013796648751103920835359535390111901585872784202993614819012919154465670603517583297262224761553173923644453297467802303033912489143314650517596627209626361259480495387757711354029363966475248689595224512343811495864420834454639751079576033578206920447406997281327405907130540875907170181390250627328555176456085612944402451025349904187591027801934817683495192115884925470617513116311227546455743564391427800511674678426941280786544495725381592806259498124087802069346022167633184009584626954040211289288794499035622736099891039966655669071748303318569801930641933671289483813984574946865017370938448784139761026764672616871292799028993327998338227033708191396480091065550504141678545116199410627423156344147529600215498422460941597842881849147
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 26 of the certificate chain of a 2,911-digit prime (316 intermediate primes).

Certified number2,911-digit prime
Certificatedownload
Certificate chainshow step 26 of 316

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004861550730 --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":1100000004861550730},"decimal":true,"detail":2}}'