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