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