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