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
flagBelgium
23%
69%
0%
0%
13
flagFrance
36%
63%
0%
0%
30
flagItaly
29%
62%
4%
4%
24
flagSpain
25%
62%
0%
6%
16
flagthe Netherlands
25%
56%
15%
3%
32
flagCanada
29%
55%
7%
3%
27
flagPoland
34%
53%
5%
3%
10119
flagGermany
30%
53%
6%
4%
160
flagNorway
28%
53%
7%
7%
28
flagthe United Kingdom
36%
52%
5%
3%
257
flagIndia
31%
50%
5%
5%
88
flagDenmark
40%
50%
10%
0%
10
flagthe United States
32%
48%
7%
6%
259
flagAustralia
47%
47%
0%
0%
17
flagRepublic of Ireland
45%
45%
5%
0%
37
flagUnknown
43%
43%
2%
8%
37
flagCzech Republic
50%
40%
10%
0%
10
flagUkraine
54%
36%
0%
9%
11
flagthe Philippines
60%
26%
13%
0%
15

Gender

men56%
women52%
15
31%
38%
17
56%
52%
19
6%
5%
21
4%
3%

Language versions

question
answers
results
flag
What is the next number in the sequence? 2,3,5,7,11,13...
549
50%

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.