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