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