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