59.0M - 60.0M to 64 bits
 

I'll begin working on this range. There are currently 24104 exponents to test.

First set of results sent to GW (through M59009999)

Summary (of this set)...
Exponents Tested: 254
Exponents with Factor: 2 (0.79%)
Factors Found: 2

Candidates at 2^63 as of 02/03/08
 

59000000 59100000 2176
59100000 59200000 2391
59200000 59300000 2351
59300000 59400000 2327
59400000 59500000 2481
59500000 59600000 2395
59600000 59700000 2450
59700000 59800000 2401
59800000 59900000 2458
59900000 60000000 2420
total...
59000000 60000000 23850

Next set of results sent to GW:

Summary...
Range of Exponents Tested: M59010001 to M59060503
Number of Exponents Tested: 1231
Exponents with Factor: 19 (1.54%)
Factors Found: 19

Another set sent to George...

Summary...
Range of Exponents Tested: M59700007 to M59710121
Number of Exponents Tested: 235
Exponents with Factor: 3 (1.28%)
Factors Found: 3

Candidates at 2^63
 

59000000 59100000 945
59100000 59200000 2227
59200000 59300000 2351
59300000 59400000 2327
59400000 59500000 2481
59500000 59600000 2395
59600000 59700000 2320
59700000 59800000 2001
59800000 59900000 2379
59900000 60000000 2420
total...
59000000 60000000 21846

Candidates at 2^63 (02-APR-2008 update)
 

59000000 59100000 0
59100000 59200000 2061
59200000 59300000 2351
59300000 59400000 2327
59400000 59500000 2463
59500000 59600000 2395
59600000 59700000 1483
59700000 59800000 1032
59800000 59900000 2163
59900000 60000000 2376
total...
59000000 60000000 18651

Candidates at 2^63 (06-MAY-2008 update)
 

59000000 59100000 0
59100000 59200000 891
59200000 59300000 2351
59300000 59400000 2327
59400000 59500000 1957
59500000 59600000 2395
59600000 59700000 1483
59700000 59800000 1032
59800000 59900000 2163
59900000 60000000 2376
total...
59000000 60000000 16975

Candidates at 2^63 (30-MAY-2008 update)
 

59000000 59100000 0
59100000 59200000 0
59200000 59300000 1594
59300000 59400000 2327
59400000 59500000 1957
59500000 59600000 1959
59600000 59700000 1483
59700000 59800000 1032
59800000 59900000 2072
59900000 60000000 2124
total...
59000000 60000000 14548

Candidates at 2^63 (02-JUL-2008 update)
 

59000000 59100000 0
59100000 59200000 0
59200000 59300000 580
59300000 59400000 508
59400000 59500000 1957
59500000 59600000 1959
59600000 59700000 718
59700000 59800000 0
59800000 59900000 1109
59900000 60000000 0
total...
59000000 60000000 6831

Candidates at 2^63 (13-JUL-2008 update)
 

59000000 59100000 0
59100000 59200000 0
59200000 59300000 0
59300000 59400000 0
59400000 59500000 1357
59500000 59600000 1352
59600000 59700000 0
59700000 59800000 0
59800000 59900000 0
59900000 60000000 0
total...
59000000 60000000 2709