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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 #1100000004861551520 2,343 digits created 2023-10-24

Value

158992297369384786271218823904939435648936831527707113058528298342920791043203278552765520834375038972574130343537294397715596416624974093704314274759570995616984074549168125716219995330095489225831190043809951933004557601152279479603421614065655836912676580285009174614668768389202356219624623288223423848063849490801197634696509034307318108538801458331147356323182699500645749200677179712020598889892184910665060410539092353590100938755655581472914264316515903968792851982784723916516351249658870623730169235338639753131735467008704600962391382237901583216122248813155380128803684676322854740220527201932560332501556083700029033740139426207395949004983159434081088220917644856722622116188225679841202170292457354221760129366740925667756771548698573719042780450417963251732711631925105454149501170948464681968061850813532233872395314167072042920768466807743020654291077971430313729896406244167871798008067744252225347016649746149488701524016761172883758743570531892666533264440007354316538717947147032248283814241628239508356975639933236818539655397386310314247853925591669985059927547855602203878753389628870960682522174919669228016449525673339710738342280941190189905930295214882976413199841614735686973939071494368576623868149458392996444223019882520451798156188210372340224924235395050488856446144090269226204730297274589968799962819421263526956657481566085668336131682039209818637261332661891306099017417727142747044863729760449792956805026884284589608993051235450449316746306735379239532847687094300594944541973476409615819106372266045056160197243211423677262519559419950897887084336634272709021312148057268345531377505396672706254433453197946531241811078673361173077906901742301477994958233800222025313657831820239021500569986196566614926496129109853872688237582043183932707363818964338003890739745660588180607986818410066971911537416703097837047520888182900816177553300570040319509354312979183808228691859883259868823460251791374163204446669654755920768851507285698147339048770666851067703429140380349793218373510713525226244062219290719373986969043574791800158969928520358845098355086977184952633444544421797386819821906406841603336069453580837806436435193085507788142667800907292819560086842018237858545618634884153289944000823783382039635138618970610496934241920372886762095813218469337379097933014385545444063235473825192559351213
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 60 of the certificate chain of a 2,911-digit prime (316 intermediate primes).

Certified number2,911-digit prime
Certificatedownload
Certificate chainshow step 60 of 316

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004861551520 --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":1100000004861551520},"decimal":true,"detail":2}}'