factordbrpc · fdb
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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 #1100000009047396070 1,397 digits created 2026-08-05

Value

12687807455597071091577845480884558475855868615289102475682770782713147672430877895810616918781708076233113420733555473675290555976909048901984741746177364901782103674460595247573045455504839045442231020873914884935064091746553763166492106608010595671376924473514186366267242073754436138057206396191453724938813789032390038302118845135521643668776669823450042097776213904084587788303700312082272301608239835576455672190213290726066616443606538095539652205542490443030021059001843061859832919128419908121442450611954223350151091376194367849245914880008547888396697956254330319702236768086146587290431848648217826519332235547946631176829826985142661216686558324512099269451286272306264388179728915159809193311986511484909698535495225540519994524240652750298927060576500611414639389213992244740096911915929831116617503014618131445995498921880459870075627733555912082232135318930690465126598403121210180912864230829499512793545988119095520406117069434299576563818727924084541665743719242218366829902891527924877119116844263117162949918472020661772977805094280254893612439651686750100000012141083169336670955730888098590542499411359021071273863468419629912031416605129060559423611526767512810699247440525190314212258723071661399234515154236126016322067618916892980235566004078982370228079035090270054485074920605416542674033103971009278744125705959536572572868070413678795453672697612211278843887366479
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 6 of the certificate chain of a 1,455-digit prime (123 intermediate primes).

Certified number1,455-digit prime
Certificatedownload
Certificate chainshow step 6 of 123

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047396070 --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":1100000009047396070},"decimal":true,"detail":2}}'