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