# 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

Italy

22

Spain

15

Canada

26

France

26

the Netherlands

32

Germany

152

Poland

9659

Norway

28

the United Kingdom

230

India

80

Denmark

10

the United States

250

Australia

17

UU

20

Republic of Ireland

36

Czech Republic

10

Ukraine

11

the Philippines

14

## Gender

56%

52%

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...

518

## Details

Author: Kasia

Illustration: D. Sharon Pruitt

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