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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 #1100000004881819874 1,497 digits created 2023-10-25

Value

643690853823867885437015975218324409610718908494486947880707113216935125562749680460401893361142231589164685157766211403297223655115623096653123340255394160509303655851554380498822187664894428815810816580994036766562349841524908161148213634157385114721799006828693885428993784993205733097490020661422635607064948367866572660738070978015704173630255421117017516783466635216886077980782041880288956915010714930552932724809923732238625981917954301159773899387855928742993736813354380715293928060370847861894223404137143031864955798226095047947532514212687012638139477634403164883113075654163899347466217196764275417508919772306126492062271978787624558513102739965735807870381751756003469772585720279247312720530217167144366832138461119274666687327280733150785743819509756713252205424444476868462529383738978173395474283989525113908952818416838188754475102831421366654026874712942750817171331139468930910538837563926050048445103048036887372728769499535352956256312979682874635591860221548833203402563215133105922439158364397496681423773146582228363081280112078046724133279819980003447866130020636416851559639148671758588858570626693887625018528355661348604344072386137081408392496109855743235985260285735208637403693005565031578003887029590374789797971340133381349824500555881656894642658340936733874365042764329433863914731599545598572870819708649197774854203836570537624646486830281184300834073152216693748122892068751793156352381284827773981138662893203389682223256854510346523488490995574101569073
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 100 of the certificate chain of a 2,346-digit prime (311 intermediate primes).

Certified number2,346-digit prime
Certificatedownload
Certificate chainshow step 100 of 311

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004881819874 --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":1100000004881819874},"decimal":true,"detail":2}}'