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