20211101, 01:24  #1970  
"James Heinrich"
May 2004
exNorthern Ontario
E11_{16} Posts 
Quote:


20211104, 16:57  #1971 
May 2013
Poland
102_{10} Posts 
M2003191 has a 97.506bit (30digits) factor: 225007102354851248019601430113 (P+1, B1=30000000, B2=1620000000)
This is my second factor found using the P+1 method. This time there is a first factor for this Mersenne number. 
20211105, 05:51  #1972 
Sep 2002
811_{10} Posts 
P1 found a factor in stage #2, B1=757000, B2=21023000.
UID: Jwb52z/Clay, M107203427 has a factor: 260429952341275128058663 (P1, B1=757000, B2=21023000) 77.785 bits. 
20211105, 18:09  #1973  
May 2013
Poland
2·3·17 Posts 
Quote:
In my "merchandise" I have a factor that is a tad smaller 19147642464835832222111776488276027610060674573088897824886038321359  223. 506 bits M3146833 

20211105, 19:18  #1974 
Sep 2002
811 Posts 
P1 found a factor in stage #1, B1=757000.
UID: Jwb52z/Clay, M107207129 has a factor: 98058773655358447592735572577 (P1, B1=757000) 96.308 bits. 
20211118, 07:13  #1975  
Bemusing Prompter
"Danny"
Dec 2002
California
11·13·17 Posts 
Found my largest P1 prime factor to date. 128 bits!
Quote:
Last fiddled with by ixfd64 on 20211118 at 07:14 

20211118, 07:15  #1976 
"James Heinrich"
May 2004
exNorthern Ontario
E11_{16} Posts 

20211118, 10:38  #1977 
Jun 2003
2×3^{2}×293 Posts 

20211118, 12:53  #1978 
"James Heinrich"
May 2004
exNorthern Ontario
13×277 Posts 

20211118, 16:54  #1979 
Jun 2003
2×3^{2}×293 Posts 
Time to upgrade?

20211123, 23:20  #1980 
Sep 2002
811 Posts 
P1 found a factor in stage #2, B1=759000, B2=21076000.
UID: Jwb52z/Clay, M107472557 has a factor: 2175775820816119586199479 (P1, B1=759000, B2=21076000) 80.848 bits. 
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