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