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