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