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