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