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