What is the next number in the sequence? 2,3,5,7,11,13...

15
17
19
21
The sequence 2,3,5,7,11,13 includes prime numbers only. Many people in­cor­rect­ly select 15, fooled by the fact that all prime numbers except 2 are odd.

Answers distribution

15
17
19
21
answers
flagSpain
18%
72%
0%
4%
22
flagBelgium
23%
69%
0%
0%
13
flagFrance
38%
61%
0%
0%
31
flagItaly
28%
60%
3%
7%
28
flagUkraine
28%
60%
4%
4%
25
flagGreece
33%
58%
0%
0%
12
flagthe Netherlands
26%
55%
15%
2%
38
flagPoland
33%
54%
6%
3%
13295
flagthe United Kingdom
35%
54%
6%
3%
310
flagAustralia
36%
54%
0%
4%
22
flagCanada
30%
53%
6%
6%
30
flagSweden
46%
53%
0%
0%
15
flagGermany
31%
52%
6%
4%
186
flagNorway
30%
51%
9%
6%
33
flagIndia
31%
50%
4%
5%
104
flagDenmark
41%
50%
8%
0%
12
flagthe United States
31%
48%
6%
7%
291
flagRepublic of Ireland
42%
46%
4%
2%
45
flagUnknown
38%
43%
9%
6%
535
flagthe Philippines
52%
28%
14%
4%
21

Gender

men52%
women53%
15
33%
36%
17
52%
53%
19
8%
5%
21
5%
3%

Language versions

question
answers
results
flag
What is the next number in the sequence? 2,3,5,7,11,13...
680
51%

Details

Author: Kasia
Illustration: D. Sharon Pruitt
tools
Should this question be improved? Improve it.
Globalquiz questions are translated by users for other users. Translate this question.