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