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 #1100000009057215284 1,505 digits created 2026-08-08

Value

21987464207558428222890960851039992809384226452067144824284989618250774990658984655856812403389351487997432154134454672083530952982571837793447028930116802717623904008523062422951973548013450080011724799884814527140378874507217132374537543366046974059072655496000178063946235166113593883272875262593433105908778649822557115187030043699586803140474866171892572079853379709446210046828357309835011219483332664088978159023962651218047764993200334952853580300613951983502101320664430020238323071344165398493949027169138428979761385442402414806349861338972372702036277746107229283006473671659136252496913988465632945610643012260181335729544485091759313251463614522490172917374399780948877527003566326624165010227283340884727659952327428756834768226171485123077949051515045356899821772661027786764459549324713145386214906165735598589742852418531050791453580150569073332809779394306791436793160161254830531861007296855305918165202415870046095844634035673712084547818881115773620698459711710481719229814047224071075759078138860629379563929406837919399330733965113109196654139909847762463403598309703642281419177136831923297153795909733198670224920820077537913739288964433675714409407107312521914710090330838641102989864255893849854971540396847442539808299954400495980606587425741871912344178681196832390509110473924946340906809271076477443057572001855804638682734765989694334476991874572932466022816636875522291225843388051032309588127599782993007543369100672162884383121580927973650597404528413067804863576734587
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 88 of the certificate chain of a 2,597-digit prime (206 intermediate primes).

Certified number2,597-digit prime
Certificatedownload
Certificate chainshow step 88 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057215284 --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":1100000009057215284},"decimal":true,"detail":2}}'