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