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