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