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