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