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