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