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