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