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