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Prime Time (Factors & Multiples)

Prime numbers are the 'atoms' of math. Let's split numbers into their building blocks! 🧱

📖 Concepts

1Factors & multiples — what's the difference?→2Prime vs composite numbers→3Sieve of Eratosthenes — finding primes→4Prime factorization (factor tree)→5HCF (Highest Common Factor)→6LCM (Least Common Multiple)→7Perfect numbers & other special numbers→8📌 Formula Sheet — Prime Time→

🎯 Practice questions

Start with basic, then try regular and hard when you're ready.

🌱basic
35
questions
⚡regular
20
questions
🔥hard
20
questions