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