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