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