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