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