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