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