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