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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 #1100000009079331143 1,251 digits created 2026-08-12

Value

199884080874668501822912540735551842354993325726907697111236107652372957594648645811611596039447751871019030500290343923073666183600205518739826477431618663331086447205732220774196958741070160958692034177256283208353329333588353575280248727393650888098648006069302327731748562886399267988317254208296775994326941262611006321130454270422636715024454234930812172048443991592610316279233076364421953382579662386233887156799989823750265902860649680782354138308191230127566856852991613791064200462023531393337721231159757336954369206725538736623928320100051402055576488369393760696990275647735331981454003101625421424229893244298018779699228452412536620811795797845843718722137154939482671604447770708054316618025073232311675426490086640450644080488200902712925276774712592870244762402929209061449596658618548083538181285996267199845510121029945764895780073399425430301495800582236779115766550527329061289048395683791191349437499837963076843083555813844475227306511435125753386270662202191843023842351552951549700539758196114516875853822527938614184616408538705990865537015834289494776637473463151180190859427898222449064997847375369517899286087552404141225188496213774898064419301278372081676011065844835670359248102760195041124843312096176178112585499787
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 62 of the certificate chain of a 2,046-digit prime (157 intermediate primes).

Certified number2,046-digit prime
Certificatedownload
Certificate chainshow step 62 of 157

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079331143 --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":1100000009079331143},"decimal":true,"detail":2}}'