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