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