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