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