Prime Tower: Math Puzzle

A crane swings a numbered block over your tower. Tap to drop it. If the number fits the rule, it stays. If not, the tower shakes. No ads. No in-app purchases. No account. No tracking, and no data collected. Works completely offline. Prime Tower is a calm, colorful stacking puzzle that quietly teaches the number sense behind middle-school math: factors, multiples, prime numbers and divisibility. No reading marathons, no quiz screens - just one tap and a decision: does this block belong on the tower? WHAT YOU'LL LEARN - Factors and multiples: which numbers divide which, and why - Prime numbers: why 2 is the only even prime, and why 9, 15 and 21 are not - Divisibility rules for 2, 3, 4, 5, 6, 9 and 10, the shortcuts that make mental math fast - Common multiples, the idea behind the lowest common multiple - Prime factorization: breaking a number into its prime building blocks Written for…