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