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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 #1100000009041059079 1,101 digits created 2026-08-03

Value

201510401684091772789620264690686997793139927436223159706925281641657570877472991410224979496214433444791482076382914106451543375830213067551955252265112509334113699180030363126468660932595933336802833924964782961325300330760729372842284218305347199978311075849920274127717795155774427173751901066312106204937206973207710341168570790325509845546716200028259804057506473268699469158274441387176960688983754294747610404545771536201097581804026612273532953971257940807657782967536703148711230676753979575301941116320994805538746276830310085311109927086176675243204462836536354708369921069909301057261130102056401866898419790084038735069711891860836121588371616958720870368054146029960813101178923147634715609357076305942900214981390832184104625857520267143573396687486402783819721207644564623314158377143420430817851326473782326041080030592917971195337497827558493358810120802214286322217492323424264878501468121357456690268081189357726777692313792867006459397486218534433982323322018930364745124426758323481111650245937319396978488108692358993354661627367435816140351504818665599829928149857081772048333
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 16 of the certificate chain of a 1,295-digit prime (102 intermediate primes).

Certified number1,295-digit prime
Certificatedownload
Certificate chainshow step 16 of 102

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009041059079 --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":1100000009041059079},"decimal":true,"detail":2}}'