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