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