Tap the factors of {{ ffNumber }}

Find all the numbers that divide evenly into {{ ffNumber }}.

Factors Found

{{ ffFound[i-1] }}

😲 {{ ffFactors.length }} factors! More than 2 means COMPOSITE.

😎 Exactly 2 factors! Exactly 2 means PRIME.

🤔 Only 1 factor! 1 is NEITHER.

Drag to sort

Sort the numbers into Prime or Composite boxes.

Prime (2 factors)
💎 {{ num.val }}
Composite (>2 factors)
⚙️ {{ num.val }}
{{ num.val }}

Tap the primes

Find all 4 primes hidden among the composites!

🎉 Awesome! You found them all!
🏆

Master of Primes!

You know exactly how to spot prime and composite numbers.
Remember, 1 is strictly its own thing!