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