factorial for an integer less than or equal to 84

FACT.BAS

10     REM The factorial of a integer less than 85
20     INPUT " Enter last integer number = ",N
30    FACT=1
40     FOR I=1 TO N
50    FACT=FACT*I
55     PRINT I,FACT
60     NEXT I
70     PRINT " FACTorial of the entered Number is = ",FACT
80     END

READY

run

Enter last integer number = 84
1 1
2 2
3 6
4 24
5 120
6 720
7 5040
8 40320
9 362880
10 3628800
11 39916800
12 4.790016 E+8
13 6.2270208 E+9
14 8.7178291 E+10
15 1.3076744 E+12
16 2.092279 E+13
17 3.5568743 E+14
18 6.4023737 E+15
19 1.216451 E+17
20 2.432902 E+18
21 5.1090942 E+19
22 1.1240007 E+21
23 2.5852016 E+22
24 6.2044838 E+23
25 1.551121 E+25
26 4.0329146 E+26
27 1.0888869 E+28
28 3.0488833 E+29
29 8.8417615 E+30
30 2.6525285 E+32
31 8.2228383 E+33
32 2.6313083 E+35
33 8.6833173 E+36
34 2.9523279 E+38
35 1.0333148 E+40
36 3.7199332 E+41
37 1.3763753 E+43
38 5.2302261 E+44
39 2.0397882 E+46
40 8.1591528 E+47
41 3.3452526 E+49
42 1.4050061 E+51
43 6.0415262 E+52
44 2.6582715 E+54
45 1.1962222 E+56
46 5.5026221 E+57
47 2.5862324 E+59
48 1.2413916 E+61
49 6.0828188 E+62
50 3.0414094 E+64
51 1.5511188 E+66
52 8.0658177 E+67
53 4.2748834 E+69
54 2.308437 E+71
55 1.2696404 E+73
56 7.1099862 E+74
57 4.0526921 E+76
58 2.3505614 E+78
59 1.3868312 E+80
60 8.3209872 E+81
61 5.0758022 E+83
62 3.1469974 E+85
63 1.9826084 E+87
64 1.2688694 E+89
65 8.2476511 E+90
66 5.4434497 E+92
67 3.6471113 E+94
68 2.4800357 E+96
69 1.7112246 E+98
70 1.1978572 E+100
71 8.5047861 E+101
72 6.123446 E+103
73 4.4701156 E+105
74 3.3078855 E+107
75 2.4809141 E+109
76 1.8854947 E+111
77 1.4518309 E+113
78 1.1324281 E+115
79 8.9461819 E+116
80 7.1569455 E+118
81 5.7971259 E+120
82 4.7536432 E+122
83 3.9455239 E+124
84 3.3142401 E+126
FACTorial of the entered Number is = 3.3142401 E+126