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