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