Prime & Composite Bảng tính

Được đề xuất cho lớp 4 — lớp 6

Bảng tính mới

Prime & Composite Bảng tính

Tên: ____________________Ngày: ____________

Hướng dẫn: Nhận biết số nguyên tố, hợp số và viết phân tích thành thừa số nguyên tố.

20 vấn đề

  1. Prime numbers in {2, 9, 3, 5, 23, 19} → ______
  2. Prime numbers in {8, 27, 29, 2, 5, 15} → ______
  3. Prime numbers in {2, 8, 5, 17, 12, 25} → ______
  4. Prime numbers in {11, 29, 13, 5, 9, 17} → ______
  5. Prime numbers in {27, 12, 19, 11, 7, 15} → ______
  6. Prime numbers in {7, 5, 3, 27, 11, 19} → ______
  7. Prime numbers in {2, 23, 27, 17, 21, 25} → ______
  8. Prime numbers in {19, 8, 17, 23, 5, 9} → ______
  9. Prime numbers in {21, 23, 19, 13, 17, 29} → ______
  10. Prime numbers in {23, 12, 3, 21, 17, 15} → ______
  11. Prime numbers in {2, 21, 15, 25, 23, 27} → ______
  12. Prime numbers in {8, 19, 17, 25, 2, 21} → ______
  13. Prime numbers in {17, 5, 19, 21, 7, 11} → ______
  14. Prime numbers in {3, 23, 9, 17, 5, 12} → ______
  15. Prime numbers in {21, 8, 25, 12, 9, 29} → ______
  16. Prime numbers in {23, 19, 17, 15, 3, 5} → ______
  17. Prime numbers in {9, 7, 11, 23, 2, 12} → ______
  18. Prime numbers in {25, 29, 23, 12, 15, 11} → ______
  19. Prime numbers in {15, 13, 11, 9, 3, 7} → ______
  20. Prime numbers in {11, 7, 27, 23, 21, 29} → ______