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