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
flagItaly
27%
63%
4%
4%
22
flagSpain
26%
60%
0%
6%
15
flagCanada
30%
57%
7%
0%
26
flagFrance
42%
57%
0%
0%
26
flagthe Netherlands
25%
56%
15%
3%
32
flagGermany
31%
54%
5%
3%
152
flagPoland
34%
53%
5%
3%
9659
flagNorway
28%
53%
7%
7%
28
flagthe United Kingdom
39%
50%
6%
3%
230
flagIndia
31%
50%
6%
6%
80
flagDenmark
40%
50%
10%
0%
10
flagthe United States
32%
48%
7%
6%
250
flagAustralia
47%
47%
0%
0%
17
flagUU
35%
45%
5%
15%
20
flagRepublic of Ireland
47%
44%
5%
0%
36
flagCzech Republic
50%
40%
10%
0%
10
flagUkraine
54%
36%
0%
9%
11
flagthe Philippines
64%
21%
14%
0%
14

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...
518
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.