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