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.
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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