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