Prime 59 is a number puzzle game where you fill a 6×6 grid using only prime numbers so that every row and column adds up to exactly 59.

What are prime numbers?

Prime numbers are numbers greater than 1 that can only be divided evenly by 1 and themselves. Examples include 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, and 31.

Is Prime 59 free to play?

Yes! Prime 59 is free to download and play. A premium subscription unlocks additional features like advanced stats, unlimited daily challenges, and ad-free gameplay.

Is there multiplayer?

Yes! Battle Mode lets you challenge friends with a direct link or get matched with players worldwide. Both players solve the same puzzle in real-time.

What platforms is Prime 59 available on?

Prime 59 is available on iOS (App Store), Android (Google Play), and the web at prime59.fun. Your account syncs across all platforms.

Is 79 a Prime Number? Yes, and Here’s Why

Yes, 79 is a prime number. It has only two divisors: 1 and 79. Here’s a clear explanation of what that means and how you can spot primes like 79 quickly.

79 Is a Prime Number: The Facts

Prime numbers are defined as numbers greater than 1 that have exactly two distinct divisors: 1 and themselves. 79 fits this definition because the only numbers that divide evenly into 79 are 1 and 79. There are no other whole numbers that can divide 79 without leaving a remainder.

Factorization of 79

The factorization of 79 is simple: 1 × 79. Since it is not divisible by 2, 3, 5, or 7 (or any other number except 1 and itself), there are no other factors. This confirms its status as a prime number.

Why 79 Is Not Composite

A composite number has more than two divisors.
79 cannot be divided evenly by any numbers between 2 and 78.
Testing divisibility by 2, 3, 5, and 7 (the primes less than √79) shows none divide 79 evenly.

Sharpen Your Prime-Spotting Skills

Being able to quickly recognize prime numbers like 79 is a key mental math skill. If you want to get faster at spotting primes under pressure, try playing Prime 59 at prime59.fun. It’s a fast-paced game where you race the clock to identify primes, helping you build confidence and speed with numbers just like 79.

Train your eye for primes the fun way - Prime 59 is a free, race-the-clock prime-spotting game.

Try Prime 59

FAQ

Is 79 a prime number?

Yes, 79 is a prime number because its only divisors are 1 and 79.

What is the factorization of 79?

The only factorization of 79 is 1 × 79, since it has no other divisors.

How do you know if 79 is prime?

If a number greater than 1 has no divisors other than 1 and itself, it is prime. 79 meets this condition.

Is 79 divisible by any numbers besides 1 and itself?

No, 79 is not divisible by any numbers other than 1 and 79.

How can I get better at identifying prime numbers like 79?

You can practice spotting primes quickly by playing the Prime 59 game, which challenges you to identify primes against the clock.