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