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