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