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