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