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