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