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