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