mersenne.ca mirror of http://factordb.com/status.php 2026-09-05T08:04:08+00:00
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Some database statistics (This is no longer accurate - InnoDB does not maintain an exact row count.)
Primes (List) 2,227,669,706
Probable primes (List) 1,276,406
Composite numbers with known factors 6,094,177,497
Composite numbers without known factors (List) 870,652,961
Numbers with status unknown (List) 16,852,627
Total 9,210,629,197
Show distribution of digits by type

Smallest ones
Smallest probable prime 19 digits (1206331792768689563<19>)
Smallest composite without known factors 19 digits (2952642512789684393<19>)

Interesting ones
Probable primes that failed primality proof or had a factor 713,810
Odd perfect numbers detected 0

Insert queue
Entries queued 0
Total delay -

Primality proofs
Method done pending
N-1-method 834,673 0
N+1-method 248,381 0
Combined N-1/N+1-method 24,370 0
PRP test 54
Show queue
Certificate 9,291,896 0
Certificates by user software

Found factors
Method Total
ECM (Montgomery) 78,012
ECM (Edwards) 9,759
P-1 390,237
P+1 51,888

The database is running on
CPU Ryzen 5800X
Ram 128GB DDR4
SSD 5x4TB Micron U.2 (7300 Pro), Raid 5

Disk usage
Database data 6,746,382MB
Database index 1,120,508MB

System load
Load average, last minute 47.39
Load average, last 5 minutes 47.36
Load average, last 15 minutes 46.25

Show internal configuration
Distribution of probable primes
Distribution of composite numbers
Do quick self-test
Tool: calculate group order
Tool: Next prime above N


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