YASS5700 YASS5700 19-11-2022 Mathématiques Answered 80+ Communiquer en anglais Raisonner Calculer. Communiquer a. Use a calculator to decide whether 210- 1 is a prime number or not. ● b. Among the integers n between 2 and 10, how many are such that 2" - 1 is prime?