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