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