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