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