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