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