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