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