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