Prime 59Prime 59Play

A Number Puzzle Like No Other

Fill a 6×6 grid with prime numbers so every row and column sums to exactly 59. Race the clock. Battle friends worldwide.

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Play on Web
Download on the App StoreGet it on Google Play
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THE PUZZLE

Fill the Grid with Prime Numbers

You get a 6×6 grid with some cells pre-filled. Place prime numbers in the remaining cells so every row and every column adds up to exactly 59.

🔢

Only Primes

Use 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31

🎯

Hit 59

Every row and column must sum to exactly 59

🧠

Logic & Speed

Use deduction to find the right numbers fast

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DIFFICULTY

Choose Your Challenge Level

Five difficulty levels from Easy to Master. Easy gives you more pre-filled hints. Master gives you none — just pure intellect.

⚡

Easy

More hints to get you started

📈

Medium & Hard

Balanced challenge for experienced players

🧠

Expert & Master

Minimal or zero hints — full brain power

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DAILY CHALLENGE

A Fresh Puzzle Every Day

Play unlimited games at any difficulty, any time. Plus, a special Daily Challenge drops every 24 hours — the same puzzle for every player. Solve it fast to rank on the global leaderboard and keep your streak alive.

🎮

Unlimited Games

Play as many puzzles as you want, any time

📅

Daily Challenge

One shared puzzle every 24 hours for all players

🔥

Streaks & Leaderboard

Build daily streaks and climb the global rankings

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MULTIPLAYER

Battle Friends in Real-Time

Challenge friends with a direct link or get matched with players worldwide. Both players solve the exact same puzzle at the same time — the fastest solver wins.

🤝

Challenge Friends

Send a direct challenge link

🌍

Global Matchmaking

Get matched with players worldwide

⏱️

Real-Time Race

Same puzzle, same clock — who’s faster?

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PROGRESSION

Track Your Progress

Watch yourself improve over time with detailed stats, ELO ratings, and personal bests across every difficulty level.

📊

Detailed Stats

Solve times, win rates, averages

🏅

ELO Rating

Competitive ranking from multiplayer

🌐

Cross-Platform

iOS, Android, and web — progress syncs everywhere

Frequently Asked Questions

Got questions? We have answers.

Time to Prove Your Intellect

Download on your phone or start playing right now in your browser.

Play on Web
Download on the App StoreGet it on Google Play