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