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First reading taken Aug 9, 2026 — the chart appears once there are two.
Mobile game · 2021
2-3-5-7
A game to test how well you recognize prime numbers. Swipe left and right to answer if a given number is prime, and see how high a chain of correct answers you can reach. With 3 different difficulty levels, you can tune the challenge to your preferences.
Mar 6, 2021Android
Community activity
Last checked Aug 9, 2026
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How many people gather around 2-3-5-7 outside the stores — members, subscribers and live viewers.
Not tracked for 2-3-5-7: Google Play, App Store, Steam, Discord, Reddit, YouTube. A platform appears here once the game has a link to it — most mobile games have no Steam port or subreddit, so a gap is normal rather than a sign the game is small.
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Frequently asked questions
When was 2-3-5-7 released?
2-3-5-7 was released on March 6, 2021 for Android.
What platforms is 2-3-5-7 available on?
2-3-5-7 is available on Android.