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