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