User collapsar - Puzzling Stack Exchange

collapsar

Member for 7 years, 1 month
Last seen more than a month ago

Saarbrücken, Germany

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13 Answers

Score Activity Newest

14 votes

Smallest PRIME containing the first 11 primes as sub-strings

answered Sep 23, 2019 at 19:08

9 votes

Smallest prime number which when spelt out contains the letters P, R, I, M, E

answered Sep 25, 2019 at 17:06

4 votes

A Very Illegal Position

answered Jan 4, 2019 at 1:47

4 votes

What mysterious whole number am I?

answered Jan 12, 2019 at 22:26

4 votes

Accepted

Chrysanthemum bejeweled with dew drops

answered Jul 10, 2019 at 2:00

3 votes

Checkmate in 1 on a Tangled Board

answered Jun 29, 2019 at 0:01

2 votes

Line segments inside a square

answered Sep 21, 2019 at 13:30

2 votes

Smallest number containing the first 11 primes as sub-strings

answered Sep 23, 2019 at 2:55

2 votes

Ask one verbal question to figure out who is blind and who is mute among three persons

answered Sep 25, 2019 at 16:03

1 vote

This is driving me insane

answered Jan 15, 2019 at 8:04

1 vote

2019 to every day of the month

answered Jan 12, 2019 at 2:36

0 votes

Divide an integer by 2 by replacing 9 with 0

answered Jul 27, 2016 at 23:36

0 votes

Random IQ Matrix question

answered Sep 23, 2019 at 22:42