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