Primewise

Learn prime factorisation by growing beautiful factor trees! No ads, 100% offline. Made by a dad, for kids.

Master prime factorisation with Primewise — an addictive math game where you grow factor trees by splitting composite numbers into their prime factors!

HOW TO PLAY Tap on a composite number to break it down into two factors. Keep splitting until every number is prime. Watch your tree grow from a single trunk into a beautiful branching structure — each leaf is a prime number!

TWO GAME MODES • Normal Mode — Choose the correct factor pair from multiple options. Perfect for learning and building confidence. • Hard Mode — Type both factors yourself with no hints. Triple points for the extra challenge!

FEATURES • Beautiful factor tree visualizations that grow upward like real trees • Brown wood-themed branches with green prime leaves • Streak multiplier system — chain correct answers for bonus points • 3 lives per round — wrong answers cost a heart • 30 carefully selected composite numbers with lots of factors • Sound effects for correct/wrong answers and completions • Educational feedback shows you the math when you guess wrong

DESIGNED FOR FAMILIES • No ads, ever • No data collection • No in-app purchases • Works completely offline • Safe for kids of all ages

BUILDS REAL MATH SKILLS • Prime number recognition • Multiplication fluency • Factor pair identification • Understanding of prime factorisation • Number sense and estimation

Made with love by a dad who wanted to help his kids learn math.