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