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