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