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