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