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