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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 #1100000009091290361 1,041 digits created 2026-08-18

Value

143598523466136550469813387912295441749259665764232798807061454084595823743372414642099770469807702145972617947942249828497205731367324763050161753384865667539423445693354006027278439299488587869380448623444621044418266394225844070207452289881407310955485321548117956039990064375494685413951817249350615711944884392050512779915429236161831448695413194595529079642064786906986292243003132600232817225697918046287853775546894246540524305140556732943890277806647431189798481683708195763607531742950500163266299428127666978505175831956850526217793930233590015306326090302129861742138307870067926871249445926103479210806542093950162282393804814140413330763954768817635362517655835532595104747642422634225859992888024064095923753356853336206645318033343547310012701652084646279255672643237500614505577580976263339312705106787295801331906319344410808633517378392667903769681492994488159013120251525827165211012107109517887943828948215708510814322269133223527013576298503611034823292820376422868651369776968400541245171383235299479808504729906769029
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 2,095-digit prime (129 intermediate primes).

Certified number2,095-digit prime
Certificatedownload
Certificate chainshow step 67 of 129

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009091290361 --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":1100000009091290361},"decimal":true,"detail":2}}'