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