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