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