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