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