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