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