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