{{ dragState.item.val }}
{{ step }}

Drag to sort

Sort the numbers. Primes cannot be split further!

{{ item.val }}
Prime Box
{{ item.val }}
Composite Box
{{ item.val }}

Slide to split

Find a valid pair of numbers that multiply to make {{ s2Target }}.

{{ s2Target }}
{{ s2Slider }}
{{ s2IsValid ? s2Factor2 : '?' }}
Perfect match! {{ s2Slider }} × ? = {{ s2Target }}

Tap to break down

Tap purple composite numbers to split them. Keep going until only green primes remain!

Set the exponents

Count the prime ends from your tree to write the final formula.

Leaves:
{{ p }}
Base {{ base }}
{{ s4UserExp[base] }}

Masterful!

You successfully built the factor tree.

Final Prime Factorization: