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