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