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