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