1. Factor of 36?
2. How many factors does 1 have?
3. Neither prime nor composite?
4. Only even prime number?
5. Divisible by 9: 243, 256, 271, 289?
6. Prime factorisation of 48?
7. Which is composite: 11, 13, 19, 21?
8. Divisible by 6 means divisible by?
9. HCF of 24 and 36?
10. LCM of 5, 10, 15?