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