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