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