Operation Billion Digits factoring status

Graph by lavalamp, from https://2721.hddkillers.com/graph/
  1. 93
  2. 92
  3. 91
  4. 90
  5. 89
  6. 88
  7. 87
  8. 86
  1. 3,321,928,171 is at 92 bits, and being P-1 tested by *COMPLETED*, 100% done Stage-2

  2. 3,321,928,307 is at 92 bits, and being P-1 tested by *COMPLETED*, 100% done Stage-2

  3. 3,321,928,319 is at 92 bits, and being P-1 tested by *COMPLETED*, 100% done Stage-2

  4. 3,321,928,373 is at 92 bits, and being P-1 tested by *COMPLETED*, 100% done Stage-2

  5. 3,321,928,381 is at 92 bits, and being P-1 tested by Kriesel, 54% done Stage-2, ETA: 2026-04-27

  6. 3,321,928,417 is being taken from 91 to 92 bits by Kriesel, 73% done, ETA: 2026-03-22

  7. 3,321,928,483 is at 92 bits, and being P-1 tested by Kriesel, 33% done Stage-2, ETA: 2026-05-22

  8. 3,321,928,697 is at 92 bits and is trial factored to an optimal depth, and ready for P-1 factoring.

  9. 3,321,928,699 is at 92 bits, and being P-1 tested by Kriesel, 9% done Stage-2, ETA: 2026-05-26

  10. 3,321,928,777 is at 92 bits and is trial factored to an optimal depth, and ready for P-1 factoring.

  11. 3,321,928,927 is at 92 bits and is trial factored to an optimal depth, and ready for P-1 factoring.

  12. 3,321,928,963 is being taken from 91 to 92 bits by Kriesel, 88% done, ETA: 2026-03-18

  13. 3,321,929,041 is at 92 bits and is trial factored to an optimal depth, and ready for P-1 factoring.

  14. 3,321,929,053 is at 92 bits and is trial factored to an optimal depth, and ready for P-1 factoring.

  15. 3,321,929,059 is being taken from 91 to 92 bits by Kriesel, 95% done, ETA: 2026-02-19

  16. 3,321,929,113 is at 92 bits and is trial factored to an optimal depth, and ready for P-1 factoring.

  17. 3,321,929,173 is at 92 bits and is trial factored to an optimal depth, and ready for P-1 factoring.

  18. 3,321,929,179 is being taken from 90 to 91 bits by Kriesel, 60% done, ETA: 2026-07-23

  19. 3,321,929,197 is at 91 bits and available for reservation.

  20. 3,321,929,209 is at 92 bits and is trial factored to an optimal depth, and ready for P-1 factoring.

  21. 3,321,929,411 is at 92 bits and is trial factored to an optimal depth, and ready for P-1 factoring.

  22. 3,321,929,519 is being taken from 91 to 92 bits by Kriesel, 73% done, ETA: 2026-03-10

  23. 3,321,929,563 is being taken from 91 to 92 bits by DMiddendorp, 87% done, ETA: 2026-02-28

  24. 3,321,929,573 is being taken from 91 to 92 bits by Kriesel, 9% done, ETA: 2026-05-03

  25. 3,321,929,617 is being taken from 91 to 92 bits by Kriesel, 2% done, ETA: 2026-05-03

  26. 3,321,929,621 is at 91 bits and available for reservation.

  27. 3,321,929,701 is at 91 bits and available for reservation.

  28. 3,321,929,789 is being taken from 91 to 92 bits by Kriesel, 22% done, ETA: 2026-08-01

  29. 3,321,929,909 is being taken from 91 to 92 bits by Kriesel, 32% done, ETA: 2026-05-22

  30. 3,321,929,929 is being taken from 91 to 92 bits by Kriesel, 40% done, ETA: 2026-06-04

  31. 3,321,929,971 is at 92 bits and is trial factored to an optimal depth, and ready for P-1 factoring.

  32. 3,321,929,987 is at 92 bits and is trial factored to an optimal depth, and ready for P-1 factoring.

  33. 3,321,930,011 is at 89 bits and available for reservation.

  34. 3,321,930,211 is at 88 bits and available for reservation.

  35. 3,321,930,229 is at 88 bits and available for reservation.

  36. 3,321,930,323 is at 88 bits and available for reservation.

  37. 3,321,930,347 is at 88 bits and available for reservation.

  38. 3,321,930,349 is at 90 bits and available for reservation.

  39. 3,321,930,371 is at 90 bits and available for reservation.

  40. 3,321,930,397 is at 90 bits and available for reservation.

  41. 3,321,930,401 is at 90 bits and available for reservation.

  42. 3,321,930,439 is at 90 bits and available for reservation.

  43. 3,321,930,517 is at 90 bits and available for reservation.

  44. 3,321,930,613 is at 90 bits and available for reservation.

  45. 3,321,930,977 is at 88 bits and available for reservation.

  46. 3,321,931,043 is at 88 bits and available for reservation.

  47. 3,321,931,057 is at 88 bits and available for reservation.

  48. 3,321,931,099 is at 88 bits and available for reservation.

  49. 3,321,931,163 is at 88 bits and available for reservation.

  50. 3,321,931,243 is at 88 bits and available for reservation.

  51. 3,321,931,289 is at 88 bits and available for reservation.

  52. 3,321,931,363 is at 88 bits and available for reservation.

  53. 3,321,931,381 is at 88 bits and available for reservation.

  54. 3,321,931,429 is at 88 bits and available for reservation.

  55. 3,321,931,433 is at 88 bits and available for reservation.

  56. 3,321,931,513 is at 88 bits and available for reservation.

  57. 3,321,931,531 is at 88 bits and available for reservation.

  58. 3,321,931,601 is at 88 bits and available for reservation.

  59. 3,321,931,619 is at 88 bits and available for reservation.

  60. 3,321,931,777 is at 88 bits and available for reservation.

  61. 3,321,931,829 is at 88 bits and available for reservation.

  62. 3,321,931,919 is at 88 bits and available for reservation.

  63. 3,321,931,931 is at 88 bits and available for reservation.

  64. 3,321,931,967 is at 88 bits and available for reservation.

  65. 3,321,931,993 is at 88 bits and available for reservation.

  66. 3,321,932,093 is at 88 bits and available for reservation.

  67. 3,321,932,123 is at 88 bits and available for reservation.

  68. 3,321,932,143 is at 88 bits and available for reservation.

  69. 3,321,932,161 is at 88 bits and available for reservation.

  70. 3,321,932,359 is at 88 bits and available for reservation.

  71. 3,321,932,567 is at 88 bits and available for reservation.

  72. 3,321,932,767 is at 88 bits and available for reservation.

  73. 3,321,932,869 is at 88 bits and available for reservation.

  74. 3,321,932,909 is at 88 bits and available for reservation.

  75. 3,321,932,969 is at 88 bits and available for reservation.

  76. 3,321,933,047 is at 88 bits and available for reservation.

  77. 3,321,933,089 is at 88 bits and available for reservation.

  78. 3,321,933,113 is at 88 bits and available for reservation.

  79. 3,321,933,179 is at 88 bits and available for reservation.

  80. 3,321,933,193 is at 88 bits and available for reservation.

  81. 3,321,933,233 is at 88 bits and available for reservation.

  82. 3,321,933,253 is at 88 bits and available for reservation.

  83. 3,321,933,289 is at 88 bits and available for reservation.

  84. 3,321,933,313 is at 88 bits and available for reservation.

  85. 3,321,933,337 is at 88 bits and available for reservation.

  86. 3,321,933,361 is at 88 bits and available for reservation.

  87. 3,321,933,367 is at 88 bits and available for reservation.

  88. 3,321,933,389 is at 88 bits and available for reservation.

  89. 3,321,933,451 is at 88 bits and available for reservation.

  90. 3,321,933,541 is at 87 bits and available for reservation.

  91. 3,321,933,551 is at 87 bits and available for reservation.

  92. 3,321,933,577 is at 87 bits and available for reservation.

  93. 3,321,933,613 is at 87 bits and available for reservation.

  94. 3,321,933,661 is at 87 bits and available for reservation.

  95. 3,321,933,679 is at 87 bits and available for reservation.

  96. 3,321,934,003 is at 87 bits and available for reservation.

  97. 3,321,934,051 is at 87 bits and available for reservation.

  98. 3,321,934,129 is at 87 bits and available for reservation.

  99. 3,321,934,163 is at 87 bits and available for reservation.

  100. 3,321,934,193 is at 87 bits and available for reservation.

  101. 3,321,934,241 is at 87 bits and available for reservation.

  102. 3,321,934,243 is at 87 bits and available for reservation.

  103. 3,321,934,247 is at 87 bits and available for reservation.

  104. 3,321,934,379 is at 87 bits and available for reservation.

  105. 3,321,934,537 is at 87 bits and available for reservation.

  106. 3,321,934,607 is at 87 bits and available for reservation.

  107. 3,321,934,697 is at 87 bits and available for reservation.

  108. 3,321,934,757 is at 87 bits and available for reservation.

  109. 3,321,934,801 is at 87 bits and available for reservation.

  110. 3,321,934,831 is at 87 bits and available for reservation.

  111. 3,321,934,909 is at 88 bits and available for reservation.

  112. 3,321,934,951 is at 87 bits and available for reservation.

  113. 3,321,935,017 is at 87 bits and available for reservation.

  114. 3,321,935,021 is at 87 bits and available for reservation.

  115. 3,321,935,213 is at 87 bits and available for reservation.

  116. 3,321,935,321 is at 87 bits and available for reservation.

  117. 3,321,935,567 is at 87 bits and available for reservation.

  118. 3,321,935,797 is at 87 bits and available for reservation.

  119. 3,321,935,801 is at 87 bits and available for reservation.

  120. 3,321,935,861 is at 87 bits and available for reservation.

  121. 3,321,935,963 is at 87 bits and available for reservation.

  122. 3,321,936,091 is at 87 bits and available for reservation.

  123. 3,321,936,097 is at 87 bits and available for reservation.

  124. 3,321,936,169 is at 87 bits and available for reservation.

  125. 3,321,936,263 is at 87 bits and available for reservation.

  126. 3,321,936,281 is at 87 bits and available for reservation.

  127. 3,321,936,301 is at 87 bits and available for reservation.

  128. 3,321,936,377 is at 87 bits and available for reservation.

  129. 3,321,936,433 is at 87 bits and available for reservation.

  130. 3,321,936,503 is at 88 bits and available for reservation.

  131. 3,321,936,509 is at 87 bits and available for reservation.

  132. 3,321,936,589 is at 87 bits and available for reservation.

  133. 3,321,936,679 is at 87 bits and available for reservation.

  134. 3,321,936,757 is at 87 bits and available for reservation.

  135. 3,321,936,811 is at 87 bits and available for reservation.

  136. 3,321,936,857 is at 87 bits and available for reservation.

  137. 3,321,936,869 is at 87 bits and available for reservation.

  138. 3,321,936,941 is at 87 bits and available for reservation.

  139. 3,321,936,977 is at 87 bits and available for reservation.

Submit results on the Submit Results page.
Note: P-1 on OBD requires a good working knowledge of Mlucas, at least 64 GiB of ram, very reliable hardware, and run times measured in many months or even years.
399 exponents, 260 factored (65.2%)
30-day progress on OBD range
sumarized status of OBD range
OBD Progress Level

25.19

Level 27 = 27 unfactored candidates TF to >= 293
Level 26 = 26 unfactored candidates TF to >= 292
Level 25 = 25 unfactored candidates TF to >= 291

Unfactored candidate TF level
TFExponents
9218
9113
908
891
8851
8748

Factor size distribution
15
0
3391

Factors per exponent
FactorsExponents
0139
1174
258
320
45
53

Recent Results
days ending
Hiding 3 low-effort rows show
ExponentUserTFFactorGhDDate
3321929197Kriesel90→9175,481.302026-Feb-16
3321929411Kriesel91→92150,963.002026-Feb-12
3321929173Kriesel91→92150,963.002026-Feb-08
3321928373KrieselB1=17000000
B2=1000000000
21,663.302026-Jan-24
3321933389Kriesel87→889,435.152026-Jan-17
Show:
ExponentTFReserved
332192817192
P-1 completed
B1=17000000
B2=1000000000
332192830792
P-1 completed
B1=17000000
B2=1000000000
332192831992
P-1 completed
B1=17000000
B2=1000000000
332192837392
P-1 completed
B1=17000000
B2=1000000000
332192838192P-1 by Kriesel
54% done Stage-2, ETA 2026-Apr-27
332192841791to 292 by Kriesel
73% done, ETA 2026-Mar-22
332192848392P-1 by Kriesel
33% done Stage-2, ETA 2026-May-22
332192869792
332192869992P-1 by Kriesel
9% done Stage-2, ETA 2026-May-26
332192877792
332192892792
332192896391to 292 by Kriesel
88% done, ETA 2026-Mar-18
332192904192
332192905392
332192905991to 292 by Kriesel
95% done, ETA 2026-Feb-19
332192911392
332192917392
332192917990to 291 by Kriesel
60% done, ETA 2026-Jul-23
332192919791
332192920992
332192941192
332192951991to 292 by Kriesel
73% done, ETA 2026-Mar-10
332192956391to 292 by DMiddendorp
87% done, ETA 2026-Feb-28
332192957391to 292 by Kriesel
9% done, ETA 2026-May-03
332192961791to 292 by Kriesel
2% done, ETA 2026-May-03
332192962191
332192970191
332192978991to 292 by Kriesel
22% done, ETA 2026-Aug-01
332192990991to 292 by Kriesel
32% done, ETA 2026-May-22
332192992991to 292 by Kriesel
40% done, ETA 2026-Jun-04
332192997192
332192998792
332193001189
332193021188
332193022988
332193032388
332193034788
332193034990
332193037190
332193039790
332193040190
332193043990
332193051790
332193061390
332193097788
332193104388
332193105788
332193109988
332193116388
332193124388
332193128988
332193136388
332193138188
332193142988
332193143388
332193151388
332193153188
332193160188
332193161988
332193177788
332193182988
332193191988
332193193188
332193196788
332193199388
332193209388
332193212388
332193214388
332193216188
332193235988
332193256788
332193276788
332193286988
332193290988
332193296988
332193304788
332193308988
332193311388
332193317988
332193319388
332193323388
332193325388
332193328988
332193331388
332193333788
332193336188
332193336788
332193338988
332193345188
332193354187
332193355187
332193357787
332193361387
332193366187
332193367987
332193400387
332193405187
332193412987
332193416387
332193419387
332193424187
332193424387
332193424787
332193437987
332193453787
332193460787
332193469787
332193475787
332193480187
332193483187
332193490988
332193495187
332193501787
332193502187
332193521387
332193532187
332193556787
332193579787
332193580187
332193586187
332193596387
332193609187
332193609787
332193616987
332193626387
332193628187
332193630187
332193637787
332193643387
332193650388
332193650987
332193658987
332193667987
332193675787
332193681187
332193685787
332193686987
332193694187
332193697787