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