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