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