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