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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 #1100000009018926384 1,013 digits created 2026-07-29

Value

55672386655025661639331582678073045393102149498591994478471280606826323379285888025054182213919247194965718913732774553500573379434671714960606219723677671004624881357333728601868225838044376522043829406829232705774891570536193964635574329931953434050435810603558719255409576130073337694415104641462188405828267259057351670202589575634918188984567968514191719615654111444005126983362009834823972901473663014774380512566453920013242702800932282550885538851721234328396283906412160977388496100471808209893425476014721024829412008795277639006523090547898182242371351005730556610665141680474022901489579713587374380774584799756430056269455715214201100224368152565601961642387438349246141064322802177110984754253933322142299583772856583385591940724019357003365345693330998973165905372143764926332407433333982606579988067218183893853711823682306221190542733359171511742801052128790783235292586109407137234544480976675154955203239538251466684842203971433118446741504754175626710650259361883640619090166595097951838762651
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 4 of the certificate chain of a 1,048-digit prime (88 intermediate primes).

Certified number1,048-digit prime
Certificatedownload
Certificate chainshow step 4 of 88

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018926384 --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":1100000009018926384},"decimal":true,"detail":2}}'