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