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