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