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