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