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