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