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