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