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