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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 #1100000009033478712 1,656 digits created 2026-08-01

Value

249016203422352127851089477271708883248904369681813484624805154032894167306540777150371779087148707789989820684627369080879117525295220220521503065856705393746562113259986505315930170743626369563774155820015890028405016628139623986821645490970085976369541160762352539893926202770059895119682005758125112060432434612626115998279936446734870875721496847143138923681572928630326618631235527870791637591154666382725157812574379021029021870767187009501580616190238708410660187912468639953350951495276947600676774122477759581860037388023541778069463678061197201787675823718012088405811878294693583658572412007610594875201010088483706356350188043911631334611518566066144087537228601903372768593582969886663094245118840299439371915168160249468756445029879045607135386211215618986598162001060646381910210227520255418400572323578117179732391265912873245146123387612032094883661004858749755867290018599753154224190288707403329958352042849238867609987821619278831191226818053625047688964925076455178297845375894945122681549567014815924671539236915973851187144823382094468061678223419021666227619563619251658326284365884925256451330392721189135009937152296809257432680089372803906687462231362186398574963573556161388391648655415283363606573826492618074036323709150535690482493375360356052521104610683547064440921685972534347581311490173979485641022011576411337817931116710086090050009728043516529038974213791838294301827747161557998430867218370181182431174693942696236409748408530842603400494502691546865813525372805414115268614557822243913027325565059440164370668862011645333623015775741343725686013002904167409036307554593973474959577347644600568712873563379422340711
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 84 of the certificate chain of a 2,785-digit prime (199 intermediate primes).

Certified number2,785-digit prime
Certificatedownload
Certificate chainshow step 84 of 199

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009033478712 --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":1100000009033478712},"decimal":true,"detail":2}}'