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