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