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