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