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