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