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