Prime Number Counter
A red button that animates to the next prime number
FunCoolApps · com.useless.primes
UpdatedJan 13, 2026
PublishedOct 20, 2022
Packagecom.useless.primes
MD54eca50dbf7f153557264990bbed5f39e
SHA1 (signer)DC:D7:F6:A2:41:27:04:55:3F:35:88:19:9D:08:21:65:79:E1:CD:64
Signed byCN=Unknown, OU=Unknown, O=Unknown, L=Unknown, ST=Unknown, C=Unknown
Malware scanTRUSTED
Contact[email protected]
What's new
Support new Android versions
Description
Shows a nice counter with a prime number. When you click the red button the counter animates to the next prime number.
This app is for people who have fun watching prime numbers.
The app is designed to imitate the Primer physical devices shown in this Numberphile video:
http://www.youtube.com/watch?v=8UqCyepX3AI
More on the Primer physical device:
http://www.karllautman.com/primer.html
This app is for people who have fun watching prime numbers.
The app is designed to imitate the Primer physical devices shown in this Numberphile video:
http://www.youtube.com/watch?v=8UqCyepX3AI
More on the Primer physical device:
http://www.karllautman.com/primer.html
Required features
- Faketouch android.hardware.faketouch
Permissions (1)
Prime Number Counter requests the following Android permissions:
- Com Useless Primes Dynamic Receiver Not Exported Permission com.useless.primes.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
