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