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