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