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