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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 #1100000008766977170 1,784 digits created 2026-04-21

Value

67145944386467334331083557131510829723141544617694886483954760804905828685934687504687667869192298350007678333460895495620384896399238371160651200892790083858195000088399845522029427742091799609567087937369956051667510302904946928355487677517865096032425146361354518238513676076745166886441132505388463980872367225595384778665534173904019784987563302595163313793317360841625119098050745091283947611473333683088421888456178456857494308795401819835993857347167234752491758229727658495514090534085882643457650050844218589730722657597804809292161351616427624624650642230391348273513258784862063057805929111904569423033892632707812560485628898309569548447051467493969437717171255119046601506221712472770140289631921642246383989905519394053254367857163882030168115933238923169600481898292832539205700400403013343192034337478570539740710744387398474702834658526281382572913752242048517041275776314103149081498088731087892890425939844954175135555790279249941767951991972050460340710917608122507513396529571632341439271309994149845559753488172029428800916324677730358274379237273163969100904733541857631350997018836143284677427052684359894541270645016816109638603757877460454204926530664548541076636715468296862538993818415075588757031531145555157398480483295564151682512687951855011619475157793700040103127877123231389817034298931615984333748742249876752694200377812110105789809870831826796974885210637450116126159235287032012755568644021379123419007299077446048039298431277973518832373081894000881233194490856663895394401993103471104747868521442610006903766290282838451730711923861319142775296887955889740639104845272987453144139293773615454105625623299940679518713421964570849874936757390772129320500968693841482411913126280365778931016567348436209293480664822835345344214063969786578446629
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 90 of the certificate chain of a 3,124-digit prime (188 intermediate primes).

Certified number3,124-digit prime
Certificatedownload
Certificate chainshow step 90 of 188

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008766977170 --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":1100000008766977170},"decimal":true,"detail":2}}'