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