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