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