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