- Alpertron
- Number Theory
- Known prime factors of Googolplex − 10

1-digit prime factors: 6

2-digit prime factors: 3

3-digit prime factors: 2

4-digit prime factors: 5

5-digit prime factors: 8

6-digit prime factors: 15

7-digit prime factors: 18

8-digit prime factors: 36

9-digit prime factors: 40

10-digit prime factors: 57

11-digit prime factors: 81

12-digit prime factors: 103

13-digit prime factors: 142

14-digit prime factors: 160

15-digit prime factors: 163

16-digit prime factors: 169

17-digit prime factors: 186

18-digit prime factors: 203

19-digit prime factors: 224

20-digit prime factors: 261

21-digit prime factors: 274

22-digit prime factors: 272

23-digit prime factors: 323

24-digit prime factors: 359

25-digit prime factors: 353

26-digit prime factors: 378

27-digit prime factors: 361

28-digit prime factors: 463

29-digit prime factors: 507

30-digit prime factors: 528

31-digit prime factors: 565

32-digit prime factors: 613

33-digit prime factors: 614

34-digit prime factors: 661

35-digit prime factors: 659

36-digit prime factors: 671

37-digit prime factors: 652

38-digit prime factors: 703

39-digit prime factors: 794

40-digit prime factors: 762

41-digit prime factors: 830

42-digit prime factors: 797

43-digit prime factors: 850

44-digit prime factors: 825

45-digit prime factors: 796

46-digit prime factors: 834

47-digit prime factors: 830

48-digit prime factors: 813

49-digit prime factors: 804

50-digit prime factors: 806

51-digit prime factors: 792

52-digit prime factors: 795

53-digit prime factors: 818

54-digit prime factors: 726

55-digit prime factors: 734

56-digit prime factors: 666

57-digit prime factors: 663

58-digit prime factors: 651

59-digit prime factors: 641

60-digit prime factors: 588

61-digit prime factors: 596

62-digit prime factors: 553

63-digit prime factors: 491

64-digit prime factors: 522

65-digit prime factors: 497

66-digit prime factors: 459

67-digit prime factors: 437

68-digit prime factors: 394

69-digit prime factors: 362

70-digit prime factors: 304

71-digit prime factors: 315

72-digit prime factors: 276

73-digit prime factors: 263

74-digit prime factors: 228

75-digit prime factors: 213

76-digit prime factors: 182

77-digit prime factors: 152

78-digit prime factors: 155

79-digit prime factors: 128

80-digit prime factors: 131

81-digit prime factors: 95

82-digit prime factors: 79

83-digit prime factors: 79

84-digit prime factors: 55

85-digit prime factors: 57

86-digit prime factors: 47

87-digit prime factors: 42

88-digit prime factors: 31

89-digit prime factors: 32

90-digit prime factors: 23

91-digit prime factors: 18

92-digit prime factors: 12

93-digit prime factors: 10

94-digit prime factors: 5

95-digit prime factors: 3

96-digit prime factors: 3

97-digit prime factors: 4

99-digit prime factors: 3

100-digit prime factors: 1

243-digit prime factors: 1

Number of known prime numbers: 34911 (1634792 digits)

Perl script written by Dario Alejandro Alpern. Last updated on May 25th, 2015.