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