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