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