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Composite Details

ID: 20825 | 81 digits

218202837347209848110495979711581669307425476050198505833287224823048578381994953

Composite Information

ID20825
Original Form(1445899526201412981792017265369265646745042852140007209600332721083447^3-1)/(1445899526201412981792017265369265646745042852140007209600332721083447-1)
Current Composite 218202837347209848110495979711581669307425476050198505833287224823048578381994953
Digit Length81
SNFS Possible No
GNFS Equivalent N/A
Priority3
Created2025-11-11 11:08:32.590112
Last Updated2026-01-12 17:36:30.319319
Status Complete

T-Level Progress

Current T-Levelt36.57
Target T-Levelt24.92
Progress
146.7%

Work Summary

Total Attempts2
Total ECM Curves6,144
P-1 Attempts0
Factors Found3

Factors: 3486264621558190801346527, 916081755368619143667785488412149, 122549293225700751930477485662281031

Factors with Elliptic Curve Group Order Data

Factor Sigma Group Order Group Order Factorization
3486264621558190801346527 234,028 3486264621560299365302880 2^5 * 3^3 * 5 * 7^2 * 13 * 19 * 71 * 167 * 2371 * 11083 * 214003
916081755368619143667785488412149 98,185,207 916081755368619186294245257513216 2^8 * 13^2 * 67^2 * 2111 * 5381 * 125539 * 309271 * 10695199
122549293225700751930477485662281031 98,184,510 122549293225700751548817398792488040 2^3 * 5 * 2273 * 2339 * 14741 * 24767 * 54787 * 3305149 * 8716703

Factorization Attempts by Method

ECM 6,144 curves
P-1 0 attempts
P+1 0 attempts
ECM Statistics:
Total Attempts: 2
Total Curves: 6,144
Factors Found: 2
B1 Range: 250,000 - 11,000,000
B1 B2 Param Curves Factor Found Client Submitted
11,000,000 Stage 1 only 3 3,072 916081755368619143667785488412... [+1 more] KyleAskine-PC_V2 2025-11-11 13:29
250,000 Stage 1 only 3 3,072 3486264621558190801346527 KyleAskine-PC_V2 2025-11-11 11:18
P-1 Statistics:
Total Attempts: 0
Factors Found: 0

No P-1 attempts yet.

P+1 Statistics:
Total Attempts: 0
Factors Found: 0

No P+1 attempts yet.