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