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
flagSweden
20%
80%
0%
0%
10
flagBelgium
23%
69%
0%
0%
13
flagSpain
25%
62%
0%
6%
16
flagFrance
38%
61%
0%
0%
31
flagItaly
29%
59%
3%
7%
27
flagUkraine
31%
59%
0%
4%
22
flagCanada
31%
55%
6%
3%
29
flagPoland
33%
54%
5%
3%
10993
flagthe Netherlands
28%
54%
14%
2%
35
flagthe United Kingdom
36%
53%
5%
3%
278
flagGermany
30%
53%
6%
4%
172
flagRepublic of Ireland
41%
51%
4%
0%
41
flagNorway
29%
51%
9%
6%
31
flagIndia
31%
50%
5%
6%
100
flagAustralia
44%
50%
0%
0%
18
flagDenmark
41%
50%
8%
0%
12
flagthe United States
30%
48%
6%
7%
281
flagUnknown
38%
45%
5%
8%
73
flagCzech Republic
58%
33%
8%
0%
12
flagthe Philippines
56%
25%
18%
0%
16

Gender

men56%
women52%
15
31%
37%
17
56%
53%
19
6%
5%
21
5%
3%

Language versions

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What is the next number in the sequence? 2,3,5,7,11,13...
610
50%

Details

Author: Kasia
Illustration: D. Sharon Pruitt
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