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