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