1mark 2020 Ai Tong P6 Paper1 SA2 P6 / Ai Tong / 2020 / SA2 Prelims / Paper 1 – Q16 [1 mark] Question: What is the sum of all the factors of 15? Solution: Similar Posts P6 / ACS / 2018 / SA1 / Paper 1 – Q04 [1 mark] P6 / Ai Tong / 2020 / SA2 Prelims / Paper 1 – Q15 [2 marks]
![P6 / ACS / 2018 / SA1 / Paper 1 – Q04 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/04/P6_SA1_2018_ACS_Paper1_Q04-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Ai Tong / 2020 / SA2 Prelims / Paper 1 – Q15 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/08/P6_SA2_2020_Ai_Tong_Paper1_Q15-Qns.jpg?resize=400%2C260&ssl=1)