Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {5, 27, 15, 8, 7, 12} → ______
- Prime numbers in {25, 3, 5, 7, 11, 27} → ______
- Prime numbers in {11, 8, 23, 29, 5, 19} → ______
- Prime numbers in {11, 23, 15, 7, 5, 17} → ______
- Prime numbers in {25, 21, 23, 29, 13, 7} → ______
- Prime numbers in {11, 19, 2, 23, 27, 17} → ______
- Prime numbers in {29, 3, 13, 9, 12, 17} → ______
- Prime numbers in {2, 3, 11, 8, 21, 29} → ______
- Prime numbers in {21, 12, 19, 9, 25, 2} → ______
- Prime numbers in {13, 12, 7, 25, 19, 17} → ______
- Prime numbers in {27, 7, 11, 19, 2, 29} → ______
- Prime numbers in {8, 15, 7, 5, 27, 11} → ______
- Prime numbers in {2, 23, 19, 7, 29, 17} → ______
- Prime numbers in {11, 7, 23, 27, 21, 3} → ______
- Prime numbers in {2, 17, 5, 13, 12, 15} → ______
- Prime numbers in {9, 19, 13, 8, 15, 5} → ______
- Prime numbers in {5, 8, 25, 11, 12, 21} → ______
- Prime numbers in {7, 21, 23, 13, 3, 15} → ______
- Prime numbers in {23, 12, 9, 21, 27, 3} → ______
- Prime numbers in {12, 23, 13, 21, 7, 17} → ______