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