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