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