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