Prime Factors, GCD & LCM
by Anonymous
Break numbers down into prime factors and compare the exponents to work out the greatest common divisor and the least common multiple.
About this app
An interactive middle-school math app for learning prime factorization, greatest common divisor (GCD), and least common multiple (LCM). Divide numbers such as 60, 32, 49, and 84 by prime-number buttons, compare prime exponents for two adjustable numbers, and practice rebuilding numbers from their exponents.
Use cases
- Middle-school students practicing prime factorization
- Teachers demonstrating GCD and LCM concepts
- Learners reviewing how prime exponents determine GCD and LCM
- Students practicing factorization through guided challenges
Features
- Step-by-step division ladder using prime buttons 2, 3, 5, and 7
- Adjustable A and B values with GCD and LCM results
- Prime-exponent table showing minimum and maximum exponents
- Challenge mode for reconstructing target numbers from exponents
- Mission-based practice with reset, next, feedback, and answer streaks