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