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