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