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