Home Games Card Strategy Prime or not?

30 seconds a play!Can you judge whether the number is Prime or not?

This is a game to judge whether the numbers are prime or not.

The numbers are displayed one by one in the short term. You can only rely on your knowledge and intuition.

What's New in the Latest Version 1.2.3

Last updated on Jan 23, 2019 2018-11-03 adjust for PlayStore version up