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