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