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