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