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Composite Details

ID: 1544 | 158 digits

23868263855566782001546745412745964518615498533721466787706002147719852893821998453750916428012697525939727497520589532237992439279564230366604579411327692657

Composite Information

ID1544
Original Form(1351985971364149724311^11-1)/(1351985971364149724311-1)
Current Composite 2386826385556678200154674541274596451861549853372146678770600214771985289382199845375091642801269752...
Digit Length158
SNFS Possible No
GNFS Equivalent 151
Priority3
Created2025-10-01 12:56:44.788930
Last Updated2026-01-12 23:36:12.913380
Status Complete

T-Level Progress

Current T-Levelt48.12
Target T-Levelt46.46
Progress
103.6%

Work Summary

Total Attempts3
Total ECM Curves5,354
P-1 Attempts1
Factors Found1

Factors: 25580414181975869731696893683811349626136214900267

Factors with Elliptic Curve Group Order Data

Factor Sigma Group Order Group Order Factorization
25580414181975869731696893683811349626136214900267 2,672,672,618 25580414181975869731696896929622781424188116763716 2^2 * 3 * 1553 * 2081 * 7487 * 48271 * 257219 * 470417 * 5456393 * 8792263 * 314409959

Factorization Attempts by Method

ECM 5,354 curves
P-1 1 attempts
P+1 0 attempts
ECM Statistics:
Total Attempts: 2
Total Curves: 5,354
Factors Found: 1
B1 Range: 11,000,000 - 110,000,000
B1 B2 Param Curves Factor Found Client Submitted
110,000,000 110,000,000,000 3 2,282 25580414181975869731696893683811349626136214900267 KyleAskine-PC_V2 2025-12-13 11:33
110,000,000 Stage 1 only SUPERSEDED 3 2,304 None KyleAskine-PC 2025-12-12 23:31
11,000,000 1,000,000,000 3 3,072 None KyleAskine-PC_V2 2025-10-20 18:22
P-1 Statistics:
Total Attempts: 1
Factors Found: 0
B1 Range: 2,900,000,000 - 2,900,000,000
B1 B2 Factor Found Client Submitted
2,900,000,000 1,000,000,000,000,000 None KyleAskine-PC_V2 2025-11-16 05:49
P+1 Statistics:
Total Attempts: 0
Factors Found: 0

No P+1 attempts yet.