# 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

Belgium

13

Spain

19

Ukraine

24

France

31

Sweden

13

Italy

27

Poland

11922

the Netherlands

37

the United Kingdom

297

Germany

174

Norway

32

Canada

30

Republic of Ireland

41

India

101

Australia

18

Denmark

12

the United States

284

Unknown

305

Czech Republic

12

the Philippines

18

## Gender

54%

53%

15

17

19

21

## Language versions

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answers

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

639

## Details

Author: Kasia

Illustration: D. Sharon Pruitt

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