OPN Tracker
Achievements
Sign in
OPN Tracker
Tracking Odd Perfect Number factoring progress
(Read-only mode)
Latest Updates
Last updated
Jun 10, 2026, 5:55 PM UTC
(16h ago)
Select Status to View Entries
105089
all
100138
composite
2
reserved
22
removed
4927
factored
Showing
all
entries.
Research Category Filter
All
All entries
Ω (Factor Count)
Ω
o15-o41, W61/W71 - prime factor & σ bounds
Last Updated: 06/10/26 18:12 UTC
t (Lower Bound)
t
t570-t2300 + roadblocks - OPN size bounds
Last Updated: 06/06/26 19:59 UTC
m (Euler Form)
m
m600, m700 - Euler form (p^e·m²) size bounds
Last Updated: 06/10/26 18:12 UTC
Search
Advanced Filters
▶
Density:
▭
Compact
▬
Normal
☰
Comfortable
OPN Entries (0 total)
Page 1 of 1
Sort by:
Priority
Remaining Composite
Full Repunit Size
Factor Progress
Base
Exponent
Murphy
Last Updated
Status
Priority
Remaining Composite
FactorDB Query
Factorization
Murphy
ECM Progress
Last Updated
NFS Claim