# 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

14

Italy

22

Canada

22

France

23

the Netherlands

27

Norway

27

Poland

9221

Germany

141

Denmark

10

the United Kingdom

205

India

73

the United States

236

Australia

17

Republic of Ireland

35

Czech Republic

10

Ukraine

11

the Philippines

14

## Gender

57%

52%

15

17

19

21

## Language versions

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

491

## Details

Author: Kasia

Illustration: D. Sharon Pruitt

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