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