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