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