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