別搗蛋

質數階乘 (primorial)
又稱為素數階乘。
質數階乘是所有小於或等於該數的質數之積。
正整數n的質數階乘寫作n#。

質數階乘有無限多個，表列前100個如下︰

0#	=	1
1#	=	1
2#	=	2
3#	=	6
4#	=	6
5#	=	30
6#	=	30
7#	=	210
8#	=	210
9#	=	210
10#	=	210
11#	=	2310
12#	=	2310
13#	=	30030
14#	=	30030
15#	=	30030
16#	=	30030
17#	=	510510
18#	=	510510
19#	=	9699690
20#	=	9699690
21#	=	9699690
22#	=	9699690
23#	=	223092870
24#	=	223092870
25#	=	223092870
26#	=	223092870
27#	=	223092870
28#	=	223092870
29#	=	6469693230
30#	=	6469693230
31#	=	200560490130
32#	=	200560490130
33#	=	200560490130
34#	=	200560490130
35#	=	200560490130
36#	=	200560490130
37#	=	7420738134810
38#	=	7420738134810
39#	=	7420738134810
40#	=	7420738134810
41#	=	304250263527210
42#	=	304250263527210
43#	=	13082761331670030
44#	=	13082761331670030
45#	=	13082761331670030
46#	=	13082761331670030
47#	=	614889782588491410
48#	=	614889782588491410
49#	=	614889782588491410
50#	=	614889782588491410
51#	=	614889782588491410
52#	=	614889782588491410
53#	=	32589158477190044730
54#	=	32589158477190044730
55#	=	32589158477190044730
56#	=	32589158477190044730
57#	=	32589158477190044730
58#	=	32589158477190044730
59#	=	1922760350154212639070
60#	=	1922760350154212639070
61#	=	117288381359406970983270
62#	=	117288381359406970983270
63#	=	117288381359406970983270
64#	=	117288381359406970983270
65#	=	117288381359406970983270
66#	=	117288381359406970983270
67#	=	7858321551080267055879090
68#	=	7858321551080267055879090
69#	=	7858321551080267055879090
70#	=	7858321551080267055879090
71#	=	557940830126698960967415390
72#	=	557940830126698960967415390
73#	=	40729680599249024150621323470
74#	=	40729680599249024150621323470
75#	=	40729680599249024150621323470
76#	=	40729680599249024150621323470
77#	=	40729680599249024150621323470
78#	=	40729680599249024150621323470
79#	=	3217644767340672907899084554130
80#	=	3217644767340672907899084554130
81#	=	3217644767340672907899084554130
82#	=	3217644767340672907899084554130
83#	=	267064515689275851355624017992790
84#	=	267064515689275851355624017992790
85#	=	267064515689275851355624017992790
86#	=	267064515689275851355624017992790
87#	=	267064515689275851355624017992790
88#	=	267064515689275851355624017992790
89#	=	23768741896345550770650537601358310
90#	=	23768741896345550770650537601358310
91#	=	23768741896345550770650537601358310
92#	=	23768741896345550770650537601358310
93#	=	23768741896345550770650537601358310
94#	=	23768741896345550770650537601358310
95#	=	23768741896345550770650537601358310
96#	=	23768741896345550770650537601358310
97#	=	2305567963945518424753102147331756070
98#	=	2305567963945518424753102147331756070
99#	=	2305567963945518424753102147331756070
100#	=	2305567963945518424753102147331756070

前400項質數階乘亦可參考OEIS的A034386