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