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