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