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 {11, 23, 9, 27, 2, 5} → ______
- Prime numbers in {8, 12, 17, 3, 2, 27} → ______
- Prime numbers in {12, 15, 8, 17, 9, 19} → ______
- Prime numbers in {2, 27, 11, 19, 29, 13} → ______
- Prime numbers in {3, 27, 25, 29, 17, 5} → ______
- Prime numbers in {9, 8, 23, 13, 11, 21} → ______
- Prime numbers in {9, 3, 27, 13, 23, 7} → ______
- Prime numbers in {2, 15, 23, 13, 7, 21} → ______
- Prime numbers in {3, 17, 29, 8, 9, 19} → ______
- Prime numbers in {15, 25, 9, 8, 5, 2} → ______
- Prime numbers in {27, 3, 13, 11, 2, 17} → ______
- Prime numbers in {29, 9, 19, 17, 23, 12} → ______
- Prime numbers in {12, 2, 11, 21, 5, 29} → ______
- Prime numbers in {29, 2, 11, 12, 19, 25} → ______
- Prime numbers in {23, 27, 8, 17, 19, 25} → ______
- Prime numbers in {2, 7, 19, 29, 13, 3} → ______
- Prime numbers in {19, 7, 27, 12, 5, 3} → ______
- Prime numbers in {11, 9, 29, 13, 27, 19} → ______
- Prime numbers in {19, 25, 17, 3, 8, 29} → ______
- Prime numbers in {5, 25, 15, 23, 13, 2} → ______