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