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