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