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